Board of Directors

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. 

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.

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, an online commodities trading forum. ChemConnect, Inc., a venture backed independent trading exchange, acquired 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.

Kay Matthews retired in June 2019 after a successful 36-year career at Ernst & Young where she held several leadership roles for the global organization.  Most recently, Ms. Matthews served as a Vice Chair of the EY Americas Board, a member of the EY Global Practice Group, and the Managing Partner of EY’s West Region, with responsibility for all services delivered to clients in the region.  Ms. Matthews has served on the boards of directors of SVB Financial Group (NASDAQ: SIVB), whose businesses, including Silicon Valley Bank, offer commercial, investment and private banking, asset management, private wealth management, brokerage and investment services and funds management services to companies in the technology, life science and healthcare, private equity and venture capital, and premium wine industries, since September 2019, and Coherent, Inc. (NASDAQ: COHR), one of the world’s leading providers of lasers, laser-based technologies and laser-based system solutions for scientific, commercial and industrial customers, since May 2019.  She also serves on each board’s audit committee.  Ms. Matthews is a certified public accountant and earned a Bachelor of Accounting degree, cum laude, from Texas Tech University.  She was the 2013 Texas Tech School of Accounting Distinguished Alumni, as well as a board member and member of the finance and retirement committees for KQED, the Northern California public television and radio station, through 2018.

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.