Our Leadership Team

ESE has a multi-disciplined team of world-class environmental professionals

Bryan Gay


Bryan Gay is one of ESE’s Principal Scientist and the CEO of the firm. Mr. Gay has over 25 years of environmental consulting and executive leadership experience. After receiving a degree in Bioenvironmental Science from Texas A&M University, he worked as an environmental consultant providing site assessment and remediation services to the commercial and industrial real estate markets and oil and gas industry. His primary technical experience is in the areas of environmental due diligence, remediation, bioremediation and risk based corrective action. Additionally, he has extensive experience in leading Brownfields reclamation efforts.

Mr. Gay co-founded ESE Partners in 2007 in Houston, Texas. He has led the strategic growth of ESE Partners from a four-person due diligence practice to a multi-million-dollar, multidisciplinary firm with office locations in Houston, League City, Austin, Dallas-Fort Worth, and San Antonio, Texas. He has also served on numerous boards including Managing Director for IRC Environmental, President of Texas A&M University’s Bioenvironmental Sciences Professional Board, Director for Harris County MUD 171 and Cinco Southwest and a member of the Quality Planned Development Committee for the West Houston Association.