Dwayne Hyzak

Member of the Board and Chief Executive Officer

Dwayne Hyzak

Dwayne Hyzak

Member of the Board and Chief Executive Officer

Phone: 713-350-6013

Email: dhyzak@mainstcapital.com

Location: Houston, Texas

Dwayne Hyzak is our Chief Executive Officer and a member of our Board of Directors. Mr. Hyzak also serves as a member of our management team’s executive and investment committees. He was promoted to the role of Chief Executive Officer in November 2018 and was elected to our Board of Directors in January 2018. Mr. Hyzak previously served in several executive roles from 2011 to 2018, including as our President, Chief Operating Officer, Chief Financial Officer and Senior Managing Director,  and also served in other senior executive positions at Main Street prior to 2011. Prior to our IPO in 2007, Mr. Hyzak served as a Senior Managing Director and other executive positions of several Main Street predecessor funds and entities, which are now our subsidiaries. Mr. Hyzak joined Main Street in 2002, becoming one of the founding members of the firm.

Mr. Hyzak also serves as the Chief Executive Officer and Chairman of the Board of MSC Income Fund, Inc., a business development company that is managed by MSC Adviser I, LLC, our wholly owned portfolio company and a registered investment adviser.

Prior to joining Main Street, 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. Previously, Mr. Hyzak, a certified public accountant, was a Manager with Arthur Andersen in its Transaction Advisory Services group. Mr. Hyzak currently serves on the board of directors of Child Advocates, a non-profit organization that trains and supports advocates to serve the interests of abused or neglected children in the greater Houston area.

Nick Meserve

Managing Director

Nick Meserve

Nick Meserve

Managing Director

Phone: 713-350-6008

Email: nmeserve@mainstcapital.com

Location: Houston, Texas

Nick Meserve is a Managing Director on our Private Credit investment team. Since joining Main Street in 2012, Mr. Meserve’s responsibilities include managing a portfolio of Private Credit and Middle Market investments. He is also responsible for sourcing, originating and executing on new investments for the firm.

Mr. Meserve also currently serves as a Managing Director of MSC Income Fund, Inc., a business development company that is managed by MSC Adviser I, LLC, our wholly owned portfolio company and a registered investment advisor.

Prior to joining Main Street, Mr. Meserve was 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.

Sammy Cashiola

Managing Director

Sammy Cashiola

Sammy Cashiola

Managing Director

Phone: 713-350-6033

Email: scashiola@mainstcapital.com

Location: Houston, Texas

Sammy Cashiola is a Managing Director on our Private Credit investment team. Since joining Main Street in 2012, Mr. Cashiola has previously served on our investment team in various roles from Analyst to Director, leading the firm’s technology leveraged finance effort. Mr. Cashiola’s responsibilities include managing a portfolio of Private Credit and Middle Market investments. He is also responsible for sourcing, originating and executing on new investments for the firm.

 Mr. Cashiola also currently serves as a Managing Director of MSC Income Fund, Inc., a business development company that is managed by MSC Adviser I, LLC, our wholly owned portfolio company and a registered investment advisor.

 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 is an active supporter of Friends For Life, Houston’s first no-kill animal shelter, which saves animals regardless of their breed, age, or condition. He is also a CFA charterholder and is a member of the CFA Society of Houston.

Scott Grass

Scott Grass

Director

Phone: 713-350-6022

Email: sgrass@mainstcapital.com

Location: Houston, Texas

Scott A. Grass has served as a Director since 2021 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.

John Watson

John Watson

Director

Phone: 713-350-9251

Email: jwatson@mainstcapital.com

Location: Houston, Texas

John Watson has served as a Director since 2022 and has been with Main Street in various roles since joining in 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. Mr. Watson graduated from the University of Texas at Austin with a B.B.A. in Corporate Finance.

Charles Jennings

Vice President

Charles Jennings

Charles Jennings

Vice President

Phone: 713-350-6032

Email: cjennings@mainstcapital.com

Location: Houston, Texas

Charles Jennings has served as a Vice President since 2020 and has been with Main Street in various roles since joining in 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.

Carlos Gilson

Carlos Gilson

Associate

Phone: 713-848-6369

Email: cgilson@mainstcapital.com

Location: Houston, Texas

Carlos Gilson is an Associate on Main Street’s Private Credit Team.

Prior to Main Street, Mr. Gilson was a Corporate Banking Analyst at Bank of America in New York where he analyzed acquisition financings, capital structures and ratings across various large corporations in the industrials sector. Mr. Gilson graduated Summa Cum Laude from Oklahoma State University receiving a BSBA in Finance with Computer Science and Accounting minors.

Brianna Grieco

Brianna Grieco

Associate

Phone: 713-350-6030

Email: bgrieco@mainstcapital.com

Location: Houston, Texas

Brianna Grieco has served as an Associate since July 2021 and has been with Main Street in various roles since joining in 2019. Ms. Grieco graduated from The University of Texas at Austin’s McCombs School of Business, with a Bachelor of Business Administration in Finance and a Minor in Management Information Systems. As an undergraduate, Ms. Grieco participated in two professional internships, as a Summer Analyst with Goldman Sachs in 2017 and as a Summer Analyst with Main Street in 2018.

Alanson Tobias

Alanson Tobias

Associate

Phone: 713-848-6371

Email: atobias@mainstcapital.com

Location: Houston, Texas

Alanson Tobias is an Associate on Main Street’s Private Credit team.

Prior to Main Street, Mr. Tobias was an Investment Banking Analyst at BMO Capital Markets in Chicago. While at BMO Capital Markets, Mr. Tobias focused on the origination, structuring, and syndication of leveraged, pro rata debt for diversified middle market clients. Mr. Tobias graduated cum laude and Phi Beta Kappa from the University of Iowa receiving a Bachelor of Science in Mathematics and Economics.

Marissa Topolski

Marissa Topolski

Associate

Email: mtopolski@mainstcapital.com

Location: Houston, Texas

Marissa Topolski joined Main Street Capital as an Associate in 2022. Prior to joining Main Street, Ms. Topolski served as an Analyst SenaHill Partners where she spent her time focusing on venture debt transactions in the technology sector and Tudor Pickering Holt and Co. where she spent her time focusing on sell-side merger and acquisition assignments in the energy sector. Ms. Topolski received a B.B.A in Cognitive Sciences with honors from Rice University.
Daniel Jin

Daniel Jin

Analyst

Phone: 713-848-6367

Email: djin@mainstcapital.com

Location: Houston, Texas

Daniel Jin is an Analyst at Main Street’s Private Credit Team.

Mr. Jin graduated from The University of Texas at Austin, McCombs School of Business with a Bachelor of Business Administration, a Computer Science Certificate, and a Minor in Management Information Systems. As an undergraduate, Mr. Jin participated in two professional internships, as a Summer Analyst with Legacy Star Capital Partners and as a Summer Analyst with Main Street in 2021.

Srikar Sonti

Srikar Sonti

Analyst

Phone: 713-350-6354

Location: Houston, Texas

Srikar Sonti has served as an Analyst since April of 2021. Mr. Sonti 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. Sonti participated in two professional internships, as a Summer Analyst with Capital Southwest Corporation (NYSE:CSWC) and as a Summer Analyst with Main Street in 2020.