About Thomas Long
Thomas Long is a director of TXSE Group. The group owns an electronic national securities exchange headquartered in Dallas. He is also co-chief executive officer of Energy Transfer, which owns and operates a broad portfolio of North American energy assets. Long has more than 30 years of energy-industry leadership experience. From 2016 through 2020, he was Energy Transfer’s group chief financial officer.
Earlier, Long was executive vice president and chief financial officer of Regency GP LLC. He was also vice president and chief financial officer of DCP Midstream Partners. He held executive leadership roles at Duke Energy subsidiaries. He joined Texas Capital Bancshares as a director in 2022 and chairs its audit committee. His other boards include Energy Transfer, USA Compression Partners, the Texas State University System Board of Regents, the Texas Stock Exchange and the Permian Strategic Partnership. He is an Energy Advisory Council member at the Federal Reserve Bank of Dallas and a founding member of The Economic Club of Dallas. Long holds a bachelor’s degree in accounting from Lamar University and is a certified public accountant.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Thomas Long in the role, so the role may have started earlier or lasted longer.
Key Colleagues at Startups
The people Thomas Long works with at each company, as listed on that company's latest Form D.








