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Keith Fullenweider

Keith Fullenweider

1001 Fannin Street
Suite 2500
Houston, TX 77002

start quote symbolOur private equity lawyers have an excellent combination of technical skill and commercial practicality that enables us to understand what our clients are looking for, and to help them accomplish their goals.end quote symbol
Keith Fullenweider

Experience Highlights

  • Quantum Energy Partners and Post Oak Energy Capital in the $3.6 billion sale of Oryx Midstream to Stonepeak Infrastructure Partners 

  • Blackstone Infrastructure Partners in its $3.3 billion acquisition of a controlling interest in Tallgrass Energy and subsequently, together with affiliates of Enagas, GIC, NPS and USS, the acquisition of all outstanding publicly-held shares

  • TPG in its $2.66 billion acquisition of assets from EnerVest in a SPAC business combination

  • TPG Growth in the $1.2 billion sale of Discovery Midstream to KKR and Williams

  • AltaGas in the $6.4 billion acquisition of WGL Holdings, owner of a regulated natural gas utility, a midstream franchise and non-regulated contracted power and energy marketing businesses throughout the United States

  • The founder of Drunk Elephant and a consortium of majority equity holders in the sale of Drunk Elephant, a skincare company, to Shiseido Company, an international personal care company

  • FleetPride, a TPG portfolio company, in its sale to American Securities

  • Select Energy Services, an affiliate of Crestview Partners, in its $1.3 billion merger with Rockwater Energy Solutions

  • Blackstone in the $2 billion acquisition of Eagle Claw Midstream Ventures from EnCap Flatrock Midstream

  • Tudor, Pickering, Holt & Co. in its business combination with Perella Weinberg Partners

  • Vantage Energy in its $2.7 billion sale to Rice Energy 

  • Nexeo Solutions, a chemicals and plastics distributor and TPG Capital portfolio company, in its $1.575 billion merger with WL Ross Holdings Corp. in a SPAC business combination


  • The University of Texas School of Law, J.D. with high honors, 1988 (Chancellors; Order of the Coif; Texas Law Review)
  • Princeton University, A.B., History summa cum laude, 1985
  • Law 360’s MVP List for Energy, 2014
  • Chambers Global, Energy: Oil & Gas (Transactional) (USA), 2011−2013, 2019−2021; Corporate/M&A: International & Cross-Border (USA), 2020 and 2021
  • Chambers USA, Energy: Oil & Gas (Transactional) (Nationwide), 2010−2021; Corporate/M&A (Texas), 2010−2021; Corporate/M&A: Private Equity (Texas), 2021; “Spotlight Table” in Corporate M&A: Private Equity (Texas), 2021
  • Legal 500 U.S., M&A/Corporate & Commercial: M&A: Large Deals, 2015–2021; Venture Capital and Emerging Companies, 2017; M&A/Corporate & Commercial: Private Equity Buyouts, 2011-2021; Energy: Transactions, 2014, 2016-2020; Finance: Project Finance, 2018-2021; “Leading Lawyer” in Energy: Transactions – Oil & Gas, 2020 and 2021
  • The Best Lawyers in America© (BL Rankings, LLC), “Lawyer of the Year” in Mergers & Acquisitions (Houston), 2013, 2016, 2018 and 2020
  • The Best Lawyers in America© (BL Rankings, LLC), Mergers and Acquisitions Law (Houston), 2007−2022
  • Selected to the Texas Super Lawyers list, Super Lawyers (Thomson Reuters), 2003−2020
  • IFLR1000, 2020 and 2021
  • Texas
  • “Playing the Recovery in Midstream & Natural Gas Markets,” SuperReturn Energy 2017 – Where Private Equity Investors Meet to Shape the Future of Energy Investment, June 12-13, 2017 (speaker)
  • “Thoughts for Officers and Directors of E&P Companies and MLPs in 2016,” V&E website, January 19, 2016 (co-author)