Dwayne L. Hyzak

Chairman of the Board and Chief Executive Officer

Dwayne L. Hyzak

Dwayne L. Hyzak

Chairman of the Board and Chief Executive Officer

Mr. Hyzak was appointed to our Board of Directors in June 2020 and as our Chief Executive Officer and Chairman in October 2020. Mr. Hyzak has served as Main Street’s Chief Executive Officer since November 2018 and as a member of Main Street’s Board of Directors since January 2018. Mr. Hyzak also serves as a member of Main Street’s management team’s investment and executive committees. Previously, he served as Main Street’s 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 Main Street. 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. 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.

Robert L. Kay

Independent Director

Robert L. Kay

Robert L. Kay

Independent Director

Mr. Kay has been an independent director since October 2020. Mr. Kay has more than 40 years of broad-based banking, investments, private equity intermediary, and private business management experience, including commercial loan and venture capital investment portfolio oversight. After spending the first 10 years of his career as a corporate lender with a major Texas bank holding company in Dallas, he returned to his hometown in Austin where he spent the next eight years in the venture investing arena. Beginning in 1990, Mr. Kay served as Chief Executive Officer and/or Chief Operating Officer of multiple start-up, growth phase, and turnaround operating company situations, including serving as Chief Financial Officer of DrillingInfo from 2006 until its sale in 2012. Mr. Kay has served as the managing member and chief executive officer of Excelleration Partners, an early-stage investment firm since 2012. Mr. Kay earned a B.B.A. in general business (accounting concentration) from the University of Texas.

John O. Niemann, Jr.

Independent Director

John O. Niemann, Jr.

John O. Niemann, Jr.

Independent Director

Mr. Niemann has been an independent director since 2012 and Chairman of the Nominating and Corporate Governance Committee since October 2020. He is a Managing Director of Andersen Tax LLC having served in this position since June 2013. He is also the President and Chief Operating Officer of Arthur Andersen LLP and has been since 2003. He previously served on the administrative board of Arthur Andersen LLP and on the board of partners of Andersen Worldwide. He began his career at Arthur Andersen LLP in 1978 and has served in increasing responsibilities in senior management positions, since 1992. Mr. Niemann has served as a director and Chairman of the Audit Committee of Hines Global Income Trust since July 2014 and as the lead independent director since May 2019 and as a director and Chairman of the Audit Committee of Adams Resources & Energy, Inc. since May 2019. Mr. Niemann has served on the board of directors of many Houston area non-profit organizations, including Strake Jesuit College Preparatory School (past chair of the board), The Regis School of the Sacred Heart (past chair of the board), The Houston Symphony, The University of St. Thomas, The Alley Theatre and Taping for the Blind, Inc. He graduated with a B.A. in Managerial Studies (magna cum laude) and a master’s degree in accounting from Rice University, received a J.D. (summa cum laude) from the South Texas College of Law and an L.L.M. in taxation (summa cum laude) from the University of San Francisco School of Law.

Jeffrey B. Walker

Independent Director

Jeffrey B. Walker

Jeffrey B. Walker

Independent Director

Mr. Walker has been an independent director and Chairman of the Audit Committee since October 2020. Mr. Walker retired in May 2020 after a successful 38-year career in public accounting with Arthur Andersen and, more recently, Deloitte Tax, LLP where he held several leadership roles including, most recently, Vice Chairman from 2014 until May 2020. Mr. Walker served as a member of Deloitte LLP’s board from 2011 until 2015 and also served as the Chief Development Officer of Deloitte Tax from 2013 until 2015. Mr. Walker is a certified public accountant and a member of the AICPA and Texas State Board of CPAs and earned a B.B.A. in Accounting and Economics from the University of Mississippi.