Main Street Capital Corporation

Our Team

Committed to creating value and building long-term relationships

Main Street Capital | Meet Our Team

Phone: 713-350-6000 Email: vdfoster@mainstcapital.com

Vincent D. Foster has served as Executive Chairman since November 2018 and as Chairman of Main Street’s Board of Directors since 2007. Mr. Foster previously served as Main Street’s Chief Executive Officer from 2007 until November 2018 and also served as Main Street’s President from 2012 until 2015. He has also been a member of our management team’s investment committee since its formation in 2007, a member of our management team’s credit committee since its formation in 2011 and a member of our management team’s executive committee since its formation in 2015. Mr. Foster also currently serves as a founding director of Quanta Services, Inc. (NYSE: PWR), which provides specialty contracting services to the power, natural gas and telecommunications industries. He also served as a director of U.S. Concrete, Inc. (NASDAQ‑CM: USCR) from 1999 until 2010, Carriage Services, Inc. (NYSE: CSV) from 1999 to 2011, HMS Income Fund, Inc., a non‑publicly traded business development company of which MSC Adviser I, LLC, a wholly owned subsidiary of Main Street, acts as the investment sub‑adviser, from 2012 until 2013 and Team, Inc. (NYSE: TISI) from 2005 until 2017. In addition, Mr. Foster served as a founding director of the Texas TriCities Chapter of the National Association of Corporate Directors from 2004 to 2011. Mr. Foster, a certified public accountant, had a 19‑year career with Arthur Andersen, where he was a partner from 1988 to 1997. Mr. Foster was the director of Arthur Andersen’s Corporate Finance and Mergers and Acquisitions practice for the Southwest United States and specialized in working with companies involved in consolidating their respective industries. From 1997, Mr. Foster co‑founded and has acted as co‑managing partner and in other senior executive positions of several Main Street predecessor funds and entities, which are now subsidiaries of ours. Mr. Foster received the Ernst & Young Entrepreneur of the Year 2008 Award in the financial services category in the Houston & Gulf Coast Area. The program honors entrepreneurs who have demonstrated exceptionality in innovation, financial performance and personal commitment to their businesses and communities. 

Phone: 713-350-6013 Email: dhyzak@mainstcapital.com

Dwayne L. Hyzak has served as Main Street’s Chief Executive Officer since November 2018 and as a member of our Board of Directors since January 2018. Mr. Hyzak also serves as a member of our management team’s investment, credit and executive committees. Previously, he served as President (2015 until November 2018), Chief Operating Officer (2014 until November 2018), Chief Financial Officer (2011 until 2014) and Senior Managing Director since 2011. Mr. Hyzak has served in other senior executive positions at Main Street since prior to its IPO in 2007. From 2002, Mr. Hyzak has also served as a Senior Managing Director and in other executive positions of several Main Street predecessor funds and entities, which are now subsidiaries of ours. From 2000 to 2002, Mr. Hyzak was a Director of Integration with Quanta Services, Inc. (NYSE: PWR), which provides specialty contracting services to the power, natural gas and telecommunications industries, where he was principally focused on the company’s mergers and acquisitions and corporate finance activities. Prior to joining Quanta Services, Inc., Mr. Hyzak, a certified public accountant, was a Manager with Arthur Andersen in its Transaction Advisory Services group.

Phone: 713-350-6009 Email: dmagdol@mainstcapital.com

David L. Magdol has served as President since November 2018 and Chief Investment Officer and Senior Managing Director since 2011. Mr. Magdol is also the chairman of our management team’s investment committee and a member of our management team’s executive committee. Previously, he served as Vice Chairman from 2015 until November 2018. Mr. Magdol has served in other senior executive positions at Main Street since prior to its IPO in 2007. Mr. Magdol has also served as a Senior Managing Director and in other executive positions of several Main Street predecessor funds and entities, which are now subsidiaries of ours, since 2002. Mr. Magdol joined Main Street from the investment banking group at Lazard Freres & Co. Prior to Lazard, he managed a portfolio of private equity investments for the McMullen Group, a private investment firm/family office capitalized by Dr. John J. McMullen, the former owner of the New Jersey Devils and the Houston Astros. Mr. Magdol began his career in the structured finance services group of JP Morgan Chase.

Phone: 713-350-6028 Email: chartman@mainstcapital.com

Curtis L. Hartman has served as Vice Chairman since 2015 and Chief Credit Officer and Senior Managing Director since 2011. Mr. Hartman is also the chairman of our management team’s credit committee and a member of our management team’s investment and executive committees. Previously, he served in other senior executive positions at Main Street since prior to its IPO in 2007. From 2000, Mr. Hartman has also served as a Senior Managing Director and in other executive positions of several Main Street predecessor funds and entities, which are now subsidiaries of ours. Mr. Hartman also served on the Board of Directors of HMS Income Fund, Inc., a non‑publicly traded business development company of which MSC Adviser I, LLC, a wholly owned subsidiary of Main Street, acts as the investment sub‑adviser, from 2013 to 2016. Mr. Hartman currently serves as an executive officer of the Small Business Investor Alliance (SBIA) and has been a member of SBIA’s Board of Governors since 2011 where he previously chaired the BDC Committee. From 1999 to 2000, Mr. Hartman was a Director for Sterling City Capital, LLC, a private investment firm. Concurrently with joining Sterling City Capital, he joined United Glass Corporation, a Sterling City Capital portfolio company, as Director of Corporate Development. Prior to joining Sterling City Capital, Mr. Hartman, a certified public accountant, was a manager with PricewaterhouseCoopers LLP in its M&A/Transaction Services group and a senior auditor with Deloitte & Touche LLP in its Financial Assurance Group.

Phone: 713-350-9221 Email: jmorris@mainstcapital.com
Jesse E. Morris has served as Main Street’s Executive Vice President and Chief Operating Officer since July 2019.  Mr. Morris previously served in various roles of increasing responsibility with Quanta Services, Inc. (NYSE: PWR), which provides specialty contracting services to the power, natural gas and telecommunications industries, including most recently as Executive Vice President – Finance and President – Infrastructure Solutions from 2018 until July 2019.  In this position, he oversaw the accounting, treasury, tax and financial planning and analysis activities and led Quanta’s public-private partnership (P3) concession and private infrastructure investment activities.  He previously served as Quanta’s Executive Vice President – Corporate Development from 2014 to 2018.  Prior to joining Quanta, Mr. Morris served in various financial and accounting positions of increasing responsibility with Sysco Corporation (NYSE: SYY), a global distributor of food and related products primarily to the foodservice or food-away-from-home industry, from 2002 through 2013, including as Vice President and Chief Financial Officer – Foodservice Operations and Vice President of Finance and Chief Financial Officer – Broadline Operations. His responsibilities in those positions at Sysco included the oversight of financial and accounting matters for field operations and corporate financial planning and analysis matters.  Mr. Morris began his career as a certified public accountant with Arthur Andersen where he advanced to experienced audit manager.
Phone: 713-350-6045 Email: bsmith@mainstcapital.com
Brent D. Smith has served as Chief Financial Officer and Treasurer since November 2014 and previously as Senior Vice President—Finance since August 2014. Mr. Smith previously served as Executive Vice President, Chief Financial Officer and Treasurer of Cal Dive International, Inc. from 2010 through June 2014 and in various finance and accounting roles at Cal Dive from 2005 through 2010. Prior to joining Cal Dive, Mr. Smith was a manager with FTI Consulting (NYSE: FCN). Prior to that, Mr. Smith, a certified public accountant, was employed as a senior auditor at Arthur Andersen LLP.
Phone: 713-350-6043 Email: jbeauvais@mainstcapital.com

Jason B. Beauvais has served as Senior Vice President, General Counsel, Chief Compliance Officer and Secretary since 2012. Previously, Mr. Beauvais served as Vice President, General Counsel and Secretary since 2008. From 2006 through 2008, Mr. Beauvais was an attorney with Occidental Petroleum Corporation (NYSE: OXY), an international oil and gas exploration and production company. Prior to joining Occidental Petroleum Corporation, Mr. Beauvais practiced corporate and securities law at Baker Botts L.L.P., where he primarily counseled companies in public issuances and private placements of debt and equity and handled a wide range of general corporate and securities matters as well as mergers and acquisitions.

Phone: 713-350-6024 Email: cbraud@mainstcapital.com
K. Colton Braud, III has served as a Managing Director on our lower middle market team since January 2017 and has been with the firm in Associate to Director roles since 2012. Prior to joining Main Street, Mr. Braud spent two years as an Associate at Wellspring Capital Management, a middle market private equity firm based in New York. While at Wellspring, Mr. Braud's responsibilities included evaluating leveraged buyout opportunities, conducting due diligence across a wide array of industries and portfolio management. Prior to Wellspring, Mr. Braud served as an Analyst at J.P. Morgan Securities Inc. in its Financial Sponsor Group.
Phone: 713-350-6049 Email: dfernandez@mainstcapital.com

Diego Fernandez has served as a Director since 2018 and has been with Main Street in various roles since 2013. Prior to joining Main Street, Mr. Fernandez worked as an Analyst in the Leveraged Finance group of Bank of America Merrill Lynch, where he was involved in the origination, structuring and execution of leveraged loans and high yield bonds for the Natural Resources, Consumer Retail and Media & Telecommunications industries. While at Bank of America Merrill Lynch, Mr. Fernandez spent the majority of his time focusing on acquisitions, corporate financings, and dividend recapitalizations. Mr. Fernandez received a B.A. in Economics from Vanderbilt University in 2011.

Phone: 713-350-9254 Email: tleitgeb@mainstcapital.com

Todd A. Leitgeb has served as a Director since 2019 and has been with Main Street in various roles since joining in 2013.  Mr. Leitgeb is actively involved in the firm’s sourcing, structuring, due diligence and execution activities in addition to portfolio company oversight.

Mr. Leitgeb earned his bachelor’s degree in Finance and Economics, magna cum laude, from Baylor University. 

Phone: 713-350-6046 Email: csmiley@mainstcapital.com

Charles Smiley has served as a Director since 2019 and has been with Main Street in various roles since 2012. Prior to joining Main Street, Mr. Smiley was an Analyst at Crestline Investors, an institutional alternative investment firm specializing in credit and opportunistic investments. While at Crestline, Mr. Smiley served on the investment team where he was responsible for conducting due diligence, market research, and portfolio monitoring. Mr. Smiley received his B.S. degree in Finance from Florida State University. He is a CFA Charterholder and is a member of the CFA Society of Houston.

Phone: 713-350-9227 Email: jmontgomery@mainstcapital.com
Jonathan Montgomery joined Main Street as a Vice President in 2018. Prior to joining Main Street, Mr. Montgomery served as Manager of Corporate Development at Rubicon Oilfield International, a global oilfield products manufacturer backed by Warburg Pincus, where he worked closely with senior management in the execution of the company’s global acquisition strategy. Prior to Rubicon, Mr. Montgomery was an Associate at Pelican Energy Partners, a lower middle market private equity firm, where he was involved in the evaluation, execution and management of investments in the energy service and equipment sector.  Mr. Montgomery began his career as an Analyst with Simmons & Company International in its energy service and equipment investment banking group.  Mr. Montgomery graduated from Texas A&M University with a Bachelor of Business Administration in Finance and Business Honors.
Phone: 713-350-9239 Email: mwhite@mainstcapital.com

Molly M. White has served as our Business Development Manager since 2018. Prior to joining Main Street, Ms. White worked as an Associate on the Leveraged Finance team at J.P. Morgan, where she was involved in the origination, structuring and execution of high yield bonds and leveraged loans for the Oil & Gas, Metals & Mining and Real Estate industries. Ms. White served as a member of the Leveraged Finance team in both the New York and Houston offices and had previously worked for J.P. Morgan as an Analyst.  Ms. White graduated with High Distinction from the University of Virginia with a degree in Italian Studies and was also a member of the Varsity Women’s Rowing Team.

Phone: 713-350-9250 Email: jbonem@mainstcapital.com

Jon W. Bonem has served as Associate since 2019 and has been with Main Street in various roles since joining in 2016. Mr. Bonem graduated summa cum laude from Baylor University in May 2016 and received his B.B.A. in Finance and Economics, with a minor in Mathematics. As an undergraduate, Mr. Bonem served as an Analyst in the Baylor Angel Network where he analyzed over 75 early-stage deals. Mr. Bonem was a Summer Analyst with Main Street in 2015.

Phone: 713-350-6031 Email: jcrawford@mainstcapital.com

Joseph R. Crawford has served as an Associate since 2019 and has been with Main Street in previous roles since 2015.  Mr. Crawford graduated cum laude from Texas A&M University receiving a Bachelor of Business Administration in Finance, with a minor in Economics.  As an undergraduate, Mr. Crawford served as a co-manager of a student managed $300,000 portfolio fund that successfully outperformed their benchmark, the S&P 500.  Mr. Crawford was a Summer Analyst at Main Street in 2014.

Phone: 713-350-9244 Email: dnicholas@mainstcapital.com
Dan M. Nicholas has served as an Associate since 2019 and previously as a Senior Analyst since 2018. Prior to joining Main Street, Mr. Nicholas was a Senior Research Associate at Robert W. Baird & Co. where he served on an Institutional Equity Research team covering the Community Bank and Business Development Company sectors. Mr. Nicholas received his B.S. in Commerce from the McIntire School of Commerce at the University of Virginia and is a CFA charterholder.
Phone: 713-350-9249 Email: pmorris@mainstcapital.com

Patrick Morris has served as Associate since 2019 and has been with the firm in various roles since 2016. Mr. Morris received a Master in Professional Accounting degree and a B.B.A. in Accounting from the University of Texas at Austin. Before joining Main Street, Mr. Morris, a certified public accountant, worked for Ernst & Young as a Senior in their Assurance and Transaction Advisory Services Groups.  

Phone: 713-350-6019 Email: athiel@mainstcapital.com
Abbey T. East has served as a Senior Analyst since June 2017 and has been with Main Street since 2015. Mrs. East graduated magna cum laude from Baylor University in May 2015 and received her B.B.A. in Finance and Accounting. Mrs. East served as an Analyst in the Baylor Angel Network where she analyzed more than 75 early-stage companies seeking capital.
Phone: 713-350-9223 Email: gharjianto@mainstcapital.com

Ganggas H.W. Harjianto has served as a Senior Analyst since 2019. Prior to joining Main Street, Mr. Harjianto worked as an Analyst in the Leveraged Finance group at SunTrust Robinson Humphrey, where he was involved in the origination, structuring and execution of leveraged loans and high yield bonds for the Consumer & Retail, Industrials and Business Services industries. While at SunTrust Robinson Humphrey, Mr. Harjianto spent his time focusing on acquisitions, corporate financings and dividend recapitalizations. Mr. Harjianto received a B.S. in Finance from the University of Delaware.

Phone: 713-350-6037 Email: djech@mainstcapital.com

Deric E. Jech has served as a Senior Analyst since 2018 and has been with Main Street since June of 2016. Mr. Jech graduated magna cum laude from Texas A&M’s Mays Business School, with a Bachelor of Business Administration in Finance. As an undergraduate, Mr. Jech served on Texas A&M’s Maroon Fund – a  $300,000 student driven, angel investment fund. Mr. Jech was a Summer Analyst with the Teacher Retirement System of Texas’ Private Equity group in 2015.

Phone: 713-350-9237 Email: cmanisck@mainstcapital.com
Christian D. Manisck has served as a Senior Analyst since 2019 and has been with Main Street Capital since 2017. Mr. Manisck graduated from the University of Houston with high honors in May 2017, receiving his Bachelor of Business Administration in Finance. As an undergraduate, he completed professional internships with Houston-based investment bank Crutchfield Capital, UBS Financial Services, and Main Street Capital.
Phone: 713-350-9241 Email: kmaurice@mainstcapital.com

Kurt Maurice has served as Senior Analyst since 2019 and has been with the firm in various roles since 2017. Mr. Maurice graduated summa cum laude from Texas A&M University receiving his Master of Science in Finance and a B.B.A. in Accounting. Before joining Main Street, Mr. Maurice, a certified public accountant, worked for Ernst & Young in their Assurance and Transaction Advisory Services Groups.

Phone: 713-350-9234 Email: gmiller@mainstcapital.com

Grant D. Miller has served as a Senior Analyst since 2018 and has been with Main Street since June of 2016. Mr. Miller graduated from The University of Texas at Austin with a Bachelor of Business Administration in Finance and a minor in Accounting. As an undergraduate, Mr. Miller participated in two professional internships, as a Summer Analyst with Interstate Batteries in 2013 and as a Summer Analyst with Main Street in 2015.

Phone: 713-350-9245 Email: mnommensen@mainstcapital.com

Mary Kathryn Nommensen has served as a Senior Analyst since 2018 and has been with Main Street since June of 2016. Ms. Nommensen graduated from the McCombs School of Business at the University of Texas at Austin with high honors in May 2016, receiving her Bachelor of Business Administration in Finance and Accounting Minor. As an undergraduate, Ms. Nommensen was a College Scholar and participated in two professional internships.

Phone: 713-350-9238 Email: dwhite@mainstcapital.com

Dylan K. White has served as a Senior Analyst since June 2017 and has been with Main Street since 2015.  Mr. White received his BBA in Finance from the University of Texas A&M in December of 2013 and was awarded his Master of Science in Finance degree from the University of Texas A&M in August of 2015.  Mr. White was a member of the Trading, Risk, and Investments Program at Texas A&M where he participated in 3 professional internship opportunities.  As an undergraduate student, Mr. White served as a co-manager of a student managed $300,000 portfolio fund that successfully outperformed their benchmark, the S&P 500.  Mr. White was a Spring Analyst at Main Street in 2015. 

Phone: 713-350-9262 Email: bupp@mainstcapital.com
Braden Upp has served as a Senior Analyst since 2019 and has been with Main Street Capital since 2017. Mr. Upp graduated from Abilene Christian University with a Bachelor of Business Administration in Finance in May 2017. As an undergraduate, Mr. Upp served as president of a $1,000,000 student managed portfolio fund and was an intern analyst for ACU’s $380 million endowment fund. Mr. Upp also participated in 4 other professional internships.
Phone: 713-350-9261 Email: caustin@mainstcapital.com
Colton Austin has served as an Analyst since July of 2018. Mr. Austin graduated from The University of Texas at Austin’s McCombs School of Business, with a Bachelor of Business Administration in Finance. As an undergraduate, Mr. Austin participated in two professional internships, as a Summer Analyst with Quanta Services in 2015 and as a Summer Analyst with Main Street in 2017.
Phone: 713-350-6025 Email: adino@mainstcapital.com
Aldo Dino has served as an Analyst since January 2019. Mr. Dino graduated from the Eli Broad College of Business at Michigan State University, receiving a Bachelor of Business Administration in Finance, with a minor in Economics. As an undergraduate, Mr. Dino was a Financial Markets Institute Scholar, and participated in internships with Deloitte Corporate Finance as a summer analyst in 2017, and Main Street Capital in the summer of 2018.
Phone: 713-350-9246 Email: kdooley@mainstcapital.com

Kevin Dooley has served as an Analyst since July 2018. Mr. Dooley graduated from the Hankamer School of Business at Baylor University in May 2018, receiving a Bachelor of Business Administration in Finance and Economics. As an undergraduate, Mr. Dooley participated in two professional internships as an analyst at Welsh, Carson, Anderson & Stowe in the summer of 2017 and at Main Street Capital in the winter of 2017.

Phone: 713-350-9260 Email: jmayock@mainstcapital.com

Jake Mayock has served as an Analyst with Main Street since July 2018. Prior to joining Main Street, Mr. Mayock worked as an Analyst with J.P. Morgan’s Private Bank where he focused on analyzing investment opportunities for individuals with net worth’s in excess of $100M+. Mr. Mayock graduated from TCU’s Neeley School of Business with an Honors degree in Finance & Accounting. As an undergraduate, Mr. Mayock spent over a year interning with Ancor Capital Partners, a lower middle market private equity firm with a focus on healthcare, consumer foods, and manufacturing.

Phone: 713-350-6016 Email: pmurphy@mainstcapital.com

Phil Murphy has served as an Analyst since 2018. Mr. Murphy graduated magna cum laude with his Masters in Professional Accounting and a B.B.A. in Accounting along with a minor in Finance from the University of Mississippi ‘OleMiss’ in Oxford, MS. Before joining Main Street, Mr. Murphy, a certified public accountant, worked for Ernst & Young as a Senior in their Assurance group focusing primarily on the oil & gas sector.  

Phone: 713-350-9258 Email: kobrien@mainstcapital.com

Katie O’Brien has served as an Analyst since July of 2018. Ms. O’Brien graduated magna cum laude from Baylor University in May 2018, with a Bachelor of Business Administration in Finance. As an undergraduate, Ms. O’Brien served as an Analyst for the Baylor Angel Network where she analyzed many early-stage deals. Ms. O’Brien was a Summer Analyst with Main Street in 2017.

Phone: 713-350-9220 Email: psmith@mainstcapital.com
Parker Smith has served as an Analyst since February 2019. Mr. Smith graduated from Rice University with a Bachelor of Arts in Economics and from Rice University’s Jones Graduate School of Business with a Master of Accounting. As an undergraduate and graduate, Mr. Smith was a Wide Receiver on the Rice Owls Football team. Mr. Smith was a Summer Analyst with Main Street in 2018 and also completed an internship in the Private Banking Group at Bank of America Merrill Lynch in 2017.
Phone: 713-350-9264 Email: athompson@mainstcapital.com
Ashley Thompson has served as our Business Development Analyst since 2018. Ms. Thompson received her Master in Professional Accounting and a B.B.A. in Accounting from Texas Tech University. Prior to joining Main Street, Ms. Thompson worked for Ernst & Young as a Senior in their Assurance group focusing primarily on the oil & gas sector.
Phone: 650-714-8022 Email: dblair@mainstcapital.com

David Blair has served as our Executive in Residence since 2014. David had a 25 year career with Arthur Andersen, where he was a partner from 1987-2002, working in the Denver, Houston, Dallas and San Francisco Bay area offices, with a primary focus on mergers and acquisitions and other transactional-related matters, both domestic and international. From 2004 through 2013, David was a Managing Director with Andersen Tax (formerly WTAS LLC) in San Francisco, with a principal focus on general transactional-related matters and structuring-related matters for emerging technology companies and their owners, both U.S. and foreign.

Phone: 713-350-6008 Email: nmeserve@mainstcapital.com

Nicholas T. Meserve has served as Managing Director on our middle market investment team since 2012. Mr. Meserve is also a member of our management team’s credit committee. Mr. Meserve has also served on the Board of Directors of HMS Income Fund, Inc., a non-publicly traded business development company of which MSC Advisor I, LLC, a wholly owned subsidiary of Main Street, acts as the investment sub-advisor, since April 2016. Previously, from 2004 until 2012, Mr. Meserve worked at Highland Capital Management, LP, a large alternative credit manager, and certain of its affiliates, where he managed a portfolio of senior loans and high yield bonds across a diverse set of industries. Prior to Highland, he was a Credit Analyst at JP Morgan Chase & Co.

Phone: 713-350-6033 Email: scashiola@mainstcapital.com
Samuel A. Cashiola has served as a Managing Director since January 2019 and various other roles since joining Main Street in 2012. Prior to joining Main Street, Mr. Cashiola was an Associate Analyst on Morgan Keegan’s Internet & e‑Commerce Equity Research team, which focused on companies in the digital media and e‑commerce segments, and an Associate at T. Rowe Price Associates. Mr. Cashiola holds a B.S. degree in Finance from Wake Forest University and a M.S. degree in Finance from the Owen Graduate School of Management at Vanderbilt University. He is a CFA charterholder and is a member of the CFA Society of Houston.
Phone: 713-350-6044 Email: wmatthews@mainstcapital.com
Watt R. Matthews has served as a Managing Director since January 2019 and in various other roles since joining Main Street in 2010. He graduated from the University of Texas at Austin in May 2008 with a B.B.A. in Finance degree and a minor in Accounting, followed by post‑graduate study in Ranch Management from Texas Christian University.
Phone: 713-350-6022 Email: sgrass@mainstcapital.com

Scott A. Grass has served as a Vice President since 2018 and has been with the firm in various roles since 2010. Mr. Grass received his B.B.A. in Finance with a concentration in Global Energy Management from the Bauer College of Business at the University of Houston in May 2010. During his time at the university, Mr. Grass collected several accolades and led various organizations and committees, most notably serving as the Vice President of the Terry Scholars organization.

Phone: 713-350-6032 Email: cjennings@mainstcapital.com
Charles Jennings has served as an Associate since 2019 and has been with the firm since 2017. Mr. Jennings received his B.A. in Economics from the University of Pennsylvania in 2012 and his Masters of Science in Finance from the University of Texas at Austin in 2013. Before joining Main Street, Charles worked with BHP Billiton Petroleum’s finance group
Phone: 713-350-9251 Email: jwatson@mainstcapital.com

John Watson has served as an Associate since 2019 and has been with the firm since 2017. Prior to joining Main Street, John worked as an Investment Banking Analyst at Stephens, Inc. in Dallas, a middle-market investment bank specializing in mergers and acquisitions, underwritings of public debt and equity securities, and private placements of debt and equity. While at Stephens, Mr. Watson worked in the energy, industrials, media, and transportation sectors and participated in transaction types such as mergers and acquisitions, public offerings, and private placements. Mr. Watson graduated from the University of Texas at Austin with a B.B.A. in Corporate Finance. 

Michael Appling, Jr. is the Chief Executive Officer of TNT Crane & Rigging Inc., a privately held full service crane and rigging operator. From July 2002 through August 2007, he was the Executive Vice President and Chief Financial Officer of XServ, Inc., a large private equity funded, international industrial services and rental company. Mr. Appling also held the position of CEO and President for United Scaffolding, Inc., an XServ, Inc. operating subsidiary. In February 2007, XServ, Inc. was sold to The Brock Group, a private industrial services company headquartered in Texas. From March 2000 to June 2002, Mr. Appling served as the Chief Financial Officer of CheMatch.com, an online commodities trading forum. ChemConnect, Inc., a venture backed independent trading exchange, acquired CheMatch.com in January 2002. From June 1999 to March 2000, Mr. Appling was Vice President and Chief Financial Officer of American Eco Corporation, a publicly traded, international fabrication, construction and maintenance provider to the energy, pulp and paper and power industries. Mr. Appling worked for ITEQ, Inc., a publicly traded, international fabrication and services company, from September 1997 to May 1999, first as a Director of Corporate Development and then as Vice President, Finance and Accounting. From July 1991 to September 1997, Mr. Appling worked at Arthur Andersen, where he practiced as a certified public accountant.

Valerie L.  Banner has served as Senior Vice President, General Counsel and Corporate Secretary of Exterran Corporation (NYSE: EXTN), a global systems and process company offering solutions in the oil, gas, water and power markets, since November 2018, and as its Vice President, General Counsel and Corporate Secretary from November 2015 through October 2018. Prior to the spin‑off of Exterran Corporation from Archrock, Inc., formerly known as Exterran Holdings, Inc. (NYSE: AROC, formerly EXH), in November 2015, Ms. Banner served as Associate General Counsel of Exterran Holdings from 2008 to 2015 and as special counsel from 2007 to 2008. Prior to the merger of Hanover Compressor Company and Universal Compression Holdings, Inc. in August 2007 to form Exterran Holdings, she served Universal as special counsel from 2000 to 2007, and served as Senior Vice President, General Counsel and Secretary from 1998 through 2000. Ms. Banner held various roles prior to 1998, including Vice President, General Counsel and Secretary of Team, Inc. (NYSE: TISI), having begun her career as an associate with Hunton Andrews Kurth LLP. Ms. Banner also serves as an officer and director of certain Exterran Corporation domestic and international subsidiaries

Joseph E. Canon, since 1982, has been the Executive Vice President and Executive Director, and a member of the Board of Directors, of Kickapoo Springs Foundation and The Legett Foundation, two private family foundations, as well as the General Manager of a family office, all located in Abilene, Texas. He has also been involved during this time as an executive officer and director of several private companies and partnerships with emphasis on energy, financial and other alternative investments. From 1982 to December 2018, Mr. Canon served as the Executive Vice President and Executive Director, and a member of the Board of Directors, of Dodge Jones Foundation, a private charitable foundation located in Abilene, Texas. From 1974 to 1982, he served as Executive Vice President and Trust Officer of First National Bank of Abilene. Mr. Canon served until April 2014 on the Board of Directors of First Financial Bankshares, Inc. (NASDAQ: FFIN), a bank and financial holding company headquartered in Abilene, Texas. Mr. Canon also served until April 2014 on the Board of Directors for several bank and trust/asset management subsidiaries of First Financial Bankshares, Inc. and currently serves on the Investment Committee of First Financial Trust and Asset Management Company, a $5.6 billion trust services company affiliated with FFIN. He has also served as an executive officer and member of the Board of Directors of various other organizations including the Abilene Convention and Visitors Bureau, Abilene Chamber of Commerce, Conference of Southwest Foundations, City of Abilene Tax Increment District, West Central Texas Municipal Water District and the John G. and Marie Stella Kenedy Memorial Foundation.

Arthur L. French has served in a variety of executive management and board of director roles over the course of his business career. He began his private investment activities in 2000 and served as a director of Fab Tech Industries, a steel fabricator, from November 2000 until August 2009, as a director of Houston Plating and Coatings Company, an industrial coatings company, from 2002 until 2007, as a director of Rawson LP, an industrial distribution and maintenance services company, from May 2003 until June 2009, and as non‑executive chairman of Rawson Holdings, LLC from March 2009 until December 2010. From September 2003 through March 2007, Mr. French was a member of the Advisory Board of Main Street Capital Partners, LLC and a limited partner of Main Street Mezzanine Fund, LP (both of which are now subsidiaries of Main Street). Mr. French currently serves as an advisor to LKCM Capital Group, LLC, an alternative investment vehicle for Luther King Capital Management headquartered in Fort Worth, Texas (“LKCM”). In addition, he serves as an independent director, Chairman of the Audit Committee and a member of the Compensation Committee of Relevant Solutions Inc. (previously LKCM Distribution Holdings LP), an LKCM portfolio company which provides industrial instrumentation and controls, air compressor products and systems, heat transfer and filter systems and related maintenance services to chemical, petrochemical, oil and gas and power generation customers in Texas, Oklahoma and Louisiana as well as other key markets in the central and western United States. From 1996 to 1999, Mr. French was Chairman and Chief Executive Officer of Metals USA Inc. (NYSE), where he managed the process of founders acquisition, assembled the management team and took the company through a successful IPO in July 1997. From 1989 to 1996, he served as Executive Vice President and Director of Keystone International, Inc. (NYSE), a manufacturer of flow controls equipment. After serving as a helicopter pilot in the United States Army, Captain, Corps of Engineers from 1963 to 1966, Mr. French began his career as a Sales Engineer for Fisher Controls International, Inc., in 1966. During his 23‑year career at Fisher Controls, from 1966 to 1989, Mr. French held various titles, and ended his career at Fisher Controls as President, Chief Operating Officer and Director.

J. Kevin Griffin is the Senior Vice President of Financial Planning & Analysis at Novant Health, a not‑for‑profit integrated system of 15 hospitals and a medical group consisting of approximately 1,600 physicians in 500 clinic locations, as well as numerous outpatient surgery centers, medical plazas, rehabilitation programs, diagnostic imaging centers, and community health outreach programs. Mr. Griffin’s responsibilities at Novant primarily include debt capital market and M&A transactions, along with various other strategic analysis projects. From 2007 to October 2012, Mr. Griffin was a Managing Director of Fennebresque & Co., LLC, a boutique investment banking firm located in Charlotte, North Carolina. From 2003 through 2007, he was a Partner at McColl Partners, LLC, where he originated and executed middle market M&A transactions. Prior to McColl Partners, Mr. Griffin worked in the M&A and corporate finance divisions of Lazard Ltd, JPMorgan, and Bank of America in New York, Chicago, and Charlotte. Mr. Griffin’s investment banking experience consists primarily of executing and originating mergers and acquisitions and corporate finance transactions.

John E. Jackson is the President and Chief Executive Officer of Spartan Energy Partners, LP, a gas gathering, treating and processing company. He has also been a director of Seitel, Inc., a privately owned provider of onshore seismic data to the oil and gas industry in North America, since August 2007, CNX Midstream Partners, LP, formerly known as CONE Midstream Partners, LP (NYSE: CNXM, formerly CNNX), a master limited partnership that owns and operates natural gas gathering and other midstream energy assets in the Marcellus Shale in Pennsylvania and West Virginia, since January 2015, and Basic Energy Services, Inc. (NYSE: BAS), a provider of well site services in the United States to oil and natural gas drilling and producing companies, since December 2016. Mr. Jackson was Chairman, Chief Executive Officer and President of Price Gregory Services, Inc., a pipeline‑related infrastructure service provider in North America, from February 2008 until its sale in October of 2009. He served as a director of Hanover Compressor Company (“Hanover”), now known as Exterran Corporation (NYSE: EXTN) and Archrock, Inc. (NYSE: AROC), from July 2004 until May 2010. Mr. Jackson also served as Hanover’s President and Chief Executive Officer from October 2004 to August 2007 and as Chief Financial Officer from January 2002 to October 2004. He also serves on the board of several non‑profit organizations.

Brian E. Lane has served as Chief Executive Officer and President of Comfort Systems USA, Inc. (NYSE: FIX), a leading provider of commercial, industrial and institutional heating, ventilation and air conditioning (“HVAC”) services, since December 2011 and as a director of Comfort Systems since November 2010. Mr. Lane served as Comfort Systems’ President and Chief Operating Officer from March 2010 until December 2011. Mr. Lane joined Comfort Systems in October 2003 and served as Vice President and then Senior Vice President for Region One until he was named Executive Vice President and Chief Operating Officer in January 2009. Prior to joining Comfort Systems, Mr. Lane spent fifteen years at Halliburton Company (NYSE: HAL), a global service and equipment company devoted to energy, industrial, and government customers. During his tenure at Halliburton, he held various positions in business development, strategy and project initiatives, and he departed as the Regional Director of Europe and Africa. Mr. Lane’s additional experience included serving as a Regional Director of Capstone Turbine Corporation (NASDAQ: CPST), a distributed power manufacturer. He also was a Vice President of Kvaerner, an international engineering and construction company, where he focused on the chemical industry. Mr. Lane is also a member of the Board of Directors of Griffen Dewatering Corporation, a privately held company. Mr. Lane earned a Bachelor of Science in Chemistry from the University of Notre Dame and his MBA from Boston College.

Stephen B. Solcher has served as the Senior Vice President of Finance and Business Operations and Chief Financial Officer of BMC Software, Inc., a privately held company that is a global leader in software solutions, since 2005. Previously, Mr. Solcher served as BMC’s Treasurer and Vice President of Finance. He joined BMC in 1991 as Assistant Treasurer and became Treasurer the following year. During Mr. Solcher’s tenure, BMC grew from nearly $130 million in annual revenue to $2.2 billion in annual revenue in 2013, its last year operating as a public company. In addition to leading many M&A transactions as Chief Financial Officer, Mr. Solcher was instrumental in BMC’s transition from being a publicly traded company to becoming a privately held company in 2013. Prior to joining BMC, he was employed by Arthur Andersen as a certified public accountant. Mr. Solcher also serves on the development board of the Mays Business School at Texas A&M University and has served on the board of numerous nonprofit organizations. He was recognized by Institutional Investor magazine as part of the “All American Executive Team” in 2010 and 2012 and by Houston Business Journal as 2012 Best CFO—Large Public Company.