Catharine Cyr Ransom

Managing Director


Catharine Cyr Ransom is a Managing Director at The Glover Park Group. In this capacity she co-leads the Energy | Sustainability Practice where she works with clients across the energy, environmental, infrastructure and sustainability spectrum to advance policy, legislative, communications and reputational priorities.

Catharine is a Hill veteran, having served for close to a decade on the staffs of Senator Max Baucus (D-MT), the Senate Environment and Public Works (EPW) Committee and Senator Bob Graham (D-FL).

Prior to joining GPG, Catharine served as Senior Climate and Environmental Advisor for Senator Max Baucus (D-MT). In this capacity, she built and executed a comprehensive energy and climate change agenda during the 111th Congress, while handling key portfolio issues such as the successful negotiation of a transboundary agreement with Canada to protect the Flathead River and the enactment of the settlement agreement in the Cobell litigation and associated tribal water compacts.

While with the EPW Committee, she specialized in water, Army Corps of Engineers, and homeland security issues, including the Federal response to Hurricane Katrina and waters of the U.S. Before joining the Committee, Catharine served as Senior Policy Advisor for Senator Graham managing the environment, energy and agriculture legislative portfolios and leading the development of the landmark Everglades bill in 2000.

Prior to her time in the Senate, Catharine worked for the Chief of Naval Operations where she managed the development of the Navy’s climate change policy and its program to phase out ozone-depleting substances.

Catharine graduated Phi Beta Kappa from Penn State University with a BA in in Economics, and she received her Master’s Degree in Environment and Energy Engineering Management from George Washington University. She is conversant in Spanish.