LAWYER PROFILE
Mariah Johnston

Mariah Johnston

USA 2026

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Ranked in 1 practice area

About

Provided by Orrick, Herrington & Sutcliffe LLP

Practice Areas

Mariah represents clients in the energy industry on regulatory strategy, compliance and transactional matters.

She focuses her practice on the development of energy infrastructure, including liquefied natural gas terminals, natural gas pipelines and natural gas storage facilities, as well as related transactional and financing matters. She routinely advises companies on securing permits and authorizations for major energy projects and has significant experience with proceedings before the Federal Energy Regulatory Commission, the U.S. Department of Energy, the U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration, and the U.S. Maritime Administration.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Energy: Oil & Gas (Regulatory & Litigation) - USA - Nationwide

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Up and Coming

Individual Editorial

Mariah Johnston focuses her practice representing clients in the oil and gas space, frequently providing FERC regulatory and compliance advice.

Ranked Individuals at Orrick, Herrington & Sutcliffe LLP (178)

California

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