Jenner & Block

Gabrielle Sigel is co-chair of the firm's Environmental and Workplace Health and Safety Law Practice and of the firm's Climate and Clean Technology Law Practice. She focuses on environmental, climate change, and safety and health litigation and counseling.  Clients seek her representation in complex environmental statutory, common law, Superfund enforcement, and cost recovery actions.  She has experience with toxic tort lawsuits and representing clients in claims related to the release of or exposure to hazardous substances.  Ms. Sigel also spends significant time representing employers in matters concerning work-related injuries and chemical exposures, including OSHA enforcement defense, whistleblower matters, compliance programs, and regulatory interpretation.  In addition, she counsels corporate clients on a variety of environmental and workplace health and safety regulatory and transactional issues.

Ms. Sigel has published extensively in private public publications, including being a principal author for LexisNexis' Environmental Law and Climate Change Center

She is a frequent speaker on climate change, workplace health and safety, and hazardous material exposure and remediation issues.

Ms. Sigel is recognized by Chambers USA, the Leading Lawyers Network, in Best Lawyers in America, and Illinois Super Lawyers in the areas environmental law, toxic tort defense and insurance coverage.  Ms. Sigel is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability. She is a Fellow of the American Bar Foundation and has taught environmental law at Northwestern University School of Law as an adjunct professor. 

She was Secretary and an active member of the Board of Directors for the Chicago Foundation for Women. Ms. Sigel also was a founder of the AIDS Legal Council of Chicago, now the Legal Council for Health Justice, providing pro bono legal services to those affected by HIV/AIDS and other health issues.