Shannon is the managing partner of the firm's San Francisco office and a trusted advisor to her clients. As the leader of our California environmental practice and co-leader of our nationwide environmental, social, and governance (ESG) practice, Shannon's prior experience as a chemical engineer in the oil and gas industry affords her insights into the development of regulations and counsel on environmental, health, and safety issues. Shannon focuses her work on permitting, enforcement, litigation, climate change, ESG compliance and climate disclosures, and regulatory advocacy for clients in a variety of manufacturing and energy sectors, including oil and gas, renewable energy, chemical, paper, and automotive. Chambers USA 2020 describes her as an "expert in environmental matters" and she is one of only four lawyers nationally ranked by Chambers USA in Band 1 Nationwide for Climate Change. She is also ranked by Chambers in California Environment and Global Climate Change law, was named to The National Law Journal's 2018 list of "Energy & Environmental Trailblazers," and repeatedly has been named to the California Daily Journal's list of Top 100 Lawyers and Top 100 Women Lawyers.

Shannon has more than 30 years of experience addressing the Clean Air Act and climate change matters. She is highly regarded for her litigation practice challenging and defending EPA and California regulations and permits before federal and state appellate courts. Her capabilities resulted in a three year appointment to the Clean Air Act Advisory Committee by the Administrator of the EPA.

As an accomplished female lawyer and engineer, Shannon is devoted to improving diversity and inclusion in the legal profession and frequently speaks on how women can succeed in the workplace. She was appointed to and is currently serving on the governing council of the American Bar Association's Special Committee on Diversity, Equity, and Inclusion of the Section of Environmental, Energy, and Resources Law. She is also the founding and current Co-President of the California chapter of the Women's Energy Network. And she volunteers as a Berkeley Law School Alumni Guide, where she mentors female law students.

Shannon is a contributor to the firm's environmental blog, The Nickel Report. She is credentialed by the Sustainability Accounting Standards Board in the Fundamentals of Sustainability Accounting, which supports her practice advising companies on ESG issues and disclosures.

Bar Admissions

Education
JD, UC Berkeley School of Law, Order of the Coif, 1990

BSChE, University of California, Los Angeles, 1985