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Keith Fullenweider

Keith Fullenweider

Texas Tower
845 Texas Avenue
Suite 4700
Houston, Texas 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

  • KKR and its portfolio company, Independence Energy, in its $5.7 billion merger with Contango Oil & Gas to form Crescent Energy Company

  • The parent company of EagleClaw Midstream, a Blackstone and I Squared Capital portfolio company, in a merger with Altus Midstream valuing the combined entity at $9 billion

  • TPG Pace Tech Opportunities, a SPAC, in its $1.7 billion business combination with Nerdy Inc., a direct-to-consumer platform for live online learning

  • 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

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

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

  • TPG Growth and The Rise Fund in the acquisition of CLEAResult, a provider of energy efficiency technology solutions, from General Atlantic

  • 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.


  • 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
  • Chambers Global, “Eminent Practioner” in Corporate/M&A: International & Cross-Border (USA), 2024; “Eminenet Practioner” in Energy: Oil & Gas (Transactional) (USA), 2023 and 2024; Energy: Oil & Gas (Transactional) (USA), 2011−2013, 2019−2022; Corporate/M&A: International & Cross-Border (USA), 2020–2023
  • Chambers USA, Energy: Oil & Gas (Transactional)(Nationwide), 2010−2023; “Eminent Practitioners” in Energy: Oil & Gas (Transactional)(Nationwide), 2022; Corporate/M&A (Texas), 2010−2023; Corporate/M&A: Private Equity (Texas), 2021 and 2022; “Spotlight Table” in Corporate M&A: Private Equity (Texas), 2021 and 2022; Private Equity: Buyouts (Texas), 2023
  • Legal 500 U.S., M&A/Corporate & Commercial: M&A: Large Deals ($1 Billion plus), 2015–2022; Venture Capital and Emerging Companies, 2017; M&A/Corporate & Commercial: Private Equity Buyouts, 2011–2023; Energy: Transactions, 2014, 2016–2020; Finance: Project Finance, 2018–2022; “Leading Lawyer” in Energy: Transactions: Oil & Gas, 2020–2023
  • 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), 2007−2024
  • Selected to the 500 Leading Dealmakers in America, Lawdragon, 2022 and 2024
  • Selected to the 500 Leading Lawyers in America, Lawdragon, 2022–2024
  • Selected to the 500 Leading Energy Lawyers, Lawdragon, 2023 and 2024
  • Selected to the Texas Super Lawyers list, Super Lawyers (Thomson Reuters), 2003−2023
  • IFLR1000, 2020–2023
  • Texas