• Director, RGGI, Inc. Board of Directors
• Interim Chairman, Connecticut Public Utilities Regulatory Authority

Thomas Wiehl is the Interim Chairman of the Connecticut Public Utilities Regulatory Authority (PURA). Governor Ned Lamont nominated Wiehl to begin serving in October of 2025. Prior to joining PURA, Wiehl served as the Legal and Regulatory Director for the Connecticut Office of Consumer Counsel (OCC), the independent state agency responsible for advocating on behalf of consumers for quality, reliable utility services at the lowest possible rates. As Legal and Regulatory Director, he was responsible for overseeing all legal and technical staff and managing the agency’s engagement in regulatory proceedings and appellate activity. Immediately prior to that, he was OCC’s Director of Utility Oversight and Regulatory Reform from 2023 to 2024, and an OCC Staff Attorney from 2020 to 2023.

Prior to joining the OCC, Wiehl worked as Vice President of Administration and General Counsel for Consumers Petroleum of Connecticut, a company based in Milford that distributed gasoline, diesel, and other petroleum products throughout Connecticut, New York, and New Jersey. He also was previously a public defender in Massachusetts, providing representation for indigent parents and children.

Wiehl earned a Bachelor of Arts degree from Bennington College in Bennington, Vermont; a Master of Fine Arts degree from California College of the Arts in San Francisco, California, and a Juris Doctor degree from the University of Connecticut School of Law. He has been admitted to the bars of Connecticut, Massachusetts, and New Jersey.  He lives in Madison with his wife, two sons, and a variety of pets.