Gabrielle Sigel, a partner in Jenner & Block’s Environmental Practice, is Co-Chair of her Firm’s Climate and Clean Technology Law Practice.
Ms. Sigel’s national practice focuses primarily on environmental, safety and health litigation and counseling, toxic tort defense, and insurance coverage litigation and counseling. She recently concluded several toxic tort lawsuits concerning a contaminated site located in a residential area. A significant portion of Ms. Sigel’s litigation practice involves representing employers in matters concerning work-related injuries, including OSHA proceedings, personal injury lawsuits, criminal investigations, workers’ compensation hearings and insurance coverage claims.
In addition to her litigation practice, Ms. Sigel advises clients on a variety of counseling, regulatory, and transactional issues. For example, she currently is advising a multinational corporation on how to address climate change issues, including working to develop definitions, inventory, and programs for greenhouse gas emission reduction. Her transactional experience has included due diligence investigations of environmental, safety and health issues nationwide, in Europe, and in , in preparation for both sales and acquisitions of manufacturing concerns.
Ms. Sigel has been an adjunct professor, teaching environmental law at Northwestern University School of Law. She is active in the American Bar Association, Sections of Litigation and Environment, Energy and Resources. The Illinois State Bar Association appointed her to its Environmental Law Section Council. Ms. Sigel began developing her diverse legal practice when she joined Jenner & Block in 1983, immediately after graduating *** laude from Boston University School of Law. Ms. Sigel is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability.
Jennifer L. Cassel is an associate in Jenner & Block’s
Chicago office. Ms. Cassel is a member of the Firm’s Environmental, Energy and Natural Resources Law Practice.
Prior to joining Jenner & Block, Ms. Cassel completed a PILI Fellowship at the Chicago Legal Clinic. During her Fellowship, Ms. Cassel drafted comments on a Clean Air Act New Source Review permit and prepared manuals on how to use Guatemalan and Honduran environmental laws to protect the Mesoamerican Barrier Reef. Ms. Cassel was a summer associate at the Legal Assistance Foundation of Metropolitan Chicago in 2006, and before attending law school, Ms. Cassel wrote and edited grant proposals for medical research.
Ms. Cassel earned her B.A. in International Studies, with general and departmental honors and Phi Beta Kappa, in 2000 from
College . She was awarded the Vassar Maguire Fellowship in 2000 and 2001 for study in . Ms. Cassel received her M.S. in anthropology from the Autonomous University of Yucatan, Mexico, in 2004, where she was valedictorian of her Masters program. She received her J.D., *** laude, from Northwestern University School of Law in 2008, where she served as an executive articles editor for the Northwestern Journal of International Human Rights, and as a student attorney with the Bluhm legal clinic. During law school, Ms. Cassel also served as a teaching assistant for Richard J. Hoskins in civil procedure and interned at the Environmental Law and
Ms. Cassel is a member of the Illinois Bar and is admitted to practice in the U.S. District Court for the Northern District of Illinois.