SAMANTHA (SAM) SELEY is a senior managing associate in Sidley’s Houston office. Sam’s practice principally involves representing companies, funds, and management teams in their investments in energy and infrastructure industries throughout the world, including assisting clients in private equity investments, M&As, joint ventures, project development, and financings. Prior to joining Sidley, she was a corporate associate at another international law firm in Houston.
Sam earned her J.D., with honors, from The University of Texas School of Law, where she received the Townes Hall Scholar award. During law school she interned at Williamson County DA’s office and The Hon. Marina Garcia Marmolejo in Laredo, Texas. In 2009, she received her undergraduate degree from Southern Methodist University. Sam was chosen to The Best Lawyers in America’s list for “Ones to Watch” for her practice in Energy (2022).

Senior Managing Associate
Samantha C. Seley
- Energy
- M&A
- Private Equity
Experience
- Representative Matters
- Memberships and Activities
Sam’s experience at Sidley includes the following representative matters:
- Represented Stonepeak Infrastructure Partners, as lead negotiator, in the sale by its portfolio company, Casper Crude to Rail Holdings LLC, of all the equity interests in a crude-to-rail loading facility located in Casper, WY, to USD Partners LP, a publicly traded master limited partnership, for aggregate consideration of US$225 million.
- Represented U.S. Oil & Refining Co. in the negotiation of an intermediation facility with the commodities trading affiliate of a major investment bank for hydrocarbon inventory working capital and receivables as well as the related letter of credit facility.
- Represented a hedge provider in connection with the hedging arrangements for a newly developed wind farm.
Sam’s experience prior to joining Sidley includes the following:
- Represented Sasol in the sale of a 50% stake in its Lake Charles Chemical Plant for US$2 billion.
- Represented a private equity firm in its recapitalization of Enviva Holdings, LP, the world's largest producer of wood pellets.
- Represented multiple management teams in their negotiations with private equity fund sponsors to form new portfolio companies.
- Represented a private equity sponsor in its negotiation of a multi-billion, multi-party crude and y-grade pipeline joint venture.
- Represented multiple private equity firms in their investments in energy and infrastructure assets.
- Represented an oil and natural gas company in its take-private of Roan Resources.
- Represented a consortium of private equity funds and their portfolio company, in its merger with a leading integrated solutions provider of clinical life science and technology.
- Member, American Bar Association
Capabilities
SERVICES AND INDUSTRIES
News & Insights
Credentials
Admissions & Certifications
- Texas
Education
- The University of Texas School of Law, J.D., 2014
- Southern Methodist University, B.A., 2009