LAWYER PROFILE
Andrew Stewart

Andrew Stewart

USA 2026

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Ranked in 1 practice area

About

Provided by Sidley Austin LLP

Practice Areas

ANDREW STEWART is a partner in the firm’s Environmental, Health, and Safety practice. He is a former senior official from the U.S. Environmental Protection Agency (EPA), who represents clients on a broad range of compliance, enforcement, and litigation matters. Andrew focuses his practice on complex, high-stakes engagements, where an insider’s knowledge of the regulatory and litigation process is particularly important. These representations include enforcement matters involving EPA, state agencies, and the Department of Justice.

With more than 25 years of experience in Environmental law, he handles matters arising under all major federal environmental laws, as well as state laws, including the Clean Air Act, Resource Conservation and Recovery Act, Federal Insecticide, Fungicide, and Rodenticide Act, Toxic Substances Control Act, and Clean Water Act. His work includes representing clients in the oil and gas, e-commerce, retail, chemical manufacturing, and life sciences industries on critical environmental obligations, and defense of enforcement, litigation, and citizen suit actions. Andrew helped develop EPA’s current voluntary disclosure program while at the agency and regularly advises companies on making disclosures under both the U.S. EPA Audit Policy and state programs.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment - District of Columbia

Band 6
Band 6

Individual Editorial
Andrew Stewart, a former EPA senior official, advises clients in the oil and gas sector on compliance and enforcement issues regarding chemical and pesticide regulations.

Strengths

Provided by Chambers

  • Andrew Stewart leverages his extensive EPA experience to provide sophisticated, business-focused advice with exceptional client service.

    EnvironmentChambers Guide to the USA
  • Andrew is a great communicator and has a service mindset. He is great at hearing what we want and working with us to come up with a reasonable plan to execute.

    EnvironmentChambers Guide to the USA
  • He always provides timely and practical guidance on managing high-stakes and complex scenarios, drawing on his vast knowledge of the enforcement process.

    EnvironmentChambers Guide to the USA

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California

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