Mark Lewis is managing partner of the firm’s Washington, DC office, serves on the firm’s Management Committee and oversees the firm’s business development activities.
In his practice, Mark focuses his practice on oil and gas pipeline and related midstream, regulatory and transactional matters. His clients include oil and gas pipeline developers, owners, operators and investors, and others involved in the midstream oil and gas value chain. Mark represents regulated pipelines, pipeline ownership interests regarding pipeline management issues, clients in transactions involving the acquisition and disposition of pipeline companies and pipeline assets, and developers of pipelines and other oil, gas and CO2 infrastructure. He advises oil and gas pipelines regarding regulatory aspects of project development, contract, tariff, rate and compliance matters before the Federal Energy Regulatory Commission (FERC) and various state regulatory agencies.
Mark is ranked Band 1 in Energy: Oil & Gas (Regulatory & Litigation) in both Chambers Global and Chambers USA. He is also recognized by The Legal 500 United States as a Leading Lawyer for Energy Regulation: Oil and Gas. "Mark Lewis is exceptional at energy regulation law. An industry expert that explains solutions and risks in terms that anyone can understand. A great communicator with appropriate knowledge, charisma, and humor." (The Legal 500 US, 2023).
Mark is a member of the Board of Directors of HMT Tank Service, Inc. He is a Trustee of the University of Maryland College Park Foundation and serves as a University of Maryland College Park Foundation member of the Board of Directors of the Terrapin Development Company.
