Mr. Dwayne Louis Hyzak, CPA, has been the President and Chief Operating Officer at Main Street Capital Corporation since November 2015 and November 2014 respectively. Mr. Hyzak has been Senior Managing Director at Main Street Capital Corporation since 2014. He served as the Chief Financial Officer of Main Street Capital Corporation from August 3, 2011 to November 2014 and its Treasurer from June 2012 to November 2014. He served as Senior Vice President of Finance and Managing Director of Main Street Capital Corporation from 2011 to August 3, 2011. Mr. Hyzak served as a Senior Vice President of Main Street Capital Corporation since 2007. From 2002, he has served as a Managing Director and in other executive positions of several Main Street predecessor funds and entities. He joined Main Street Capital Corporation on January 1, 2002. He served as a Senior Managing Director at Main Street Capital Corporation since August 03, 2011. He was a co-founder of Main Street Capital Corporation. In addition to this, he serves as the Managing Director at Main Street Capital Partners, LLC and Main Street Mezzanine Management, LLC, since 2002. He serves as Vice President at NTS Holdings, Inc. Previously, Mr. Hyzak served as a Director of Accounting Integration at Quanta Services, Inc. where he was focused on the mergers and acquisitions and corporate finance activities. As a Director of the acquisition program at Quanta, he was responsible for the evaluation of numerous acquisition opportunities and was directly involved in the successful completion of 12 acquisitions representing approximately $190 million of revenues. He was also involved in the evaluation and completion of several other strategic investments and decisions including several project finance transactions, joint venture investments, strategic customer relationships and contracts and strategic opportunities to dispose of non-core assets. Mr. Hyzak also served as the Chief Financial Officer at a Quanta operating subsidiary on an interim basis and was responsible for directing the restructuring of the operating subsidiary. Prior to joining Quanta, he was a Manager in the Transaction Advisory Services Group at Arthur Andersen LLP. He joined Arthur Andersen LLP in 1995 and assisted with several industry consolidation initiatives and numerous corporate finance mergers and acquisition initiatives. As a Manager at Arthur Andersen LLP, Mr. Hyzak assisted with the formal establishment of the Transaction Advisory Services Group in the firm's Houston office and assisted numerous clients with industry consolidation efforts, strategic acquisitions, disposals of non-core operating units and corporate finance activities. During his career at Arthur Andersen LLP, Mr. Hyzak provided services in more than 30 financial transactions involving a wide range of public and private clients, including IPO transactions, private placements, secondary offerings, mergers and acquisitions and dispositions. He has been a Director of Volusion, Inc. since January 2015. He serves as a Director at NTS Holdings, Inc. He is actively involved as a Director and in advisory roles at several companies. He served as a Director at KBK Industries, LLC. He is a Certified Public Accountant. Mr. Hyzak is a graduate of Southwest Texas State University with a degree in Accounting.