Hilary Tompkins is currently a partner with Hogan Lovells in Washington D.C., with a practice in environmental, energy, and Native American law. She served in the presidentially-appointed, Senate-confirmed position of Solicitor for the U.S. Department of the Interior (2009—2017). Ms. Tompkins is the first Native American member of Dartmouth's Board of Trustees.

As Solicitor, Ms. Tompkins led over 300 attorneys in the diverse areas of onshore and offshore energy development (conventional and renewable), the administration of federal water projects, conservation and wildlife legal requirements, and public land law. She oversaw litigation on behalf of Interior, including cases before the U.S. Supreme Court, and issued a number of landmark legal opinions.

Ms. Tompkins also served as chief legal counsel to former New Mexico Governor Bill Richardson and began her legal career in the prestigious Honors Program as a trial attorney in the Environment and Natural Resources Division of the U.S. Department of Justice.

Ms. Tompkins majored in government at Dartmouth, and she holds a JD from Stanford Law School. As a Dartmouth volunteer, she has served on the Dartmouth Alumni Council, an admissions interviewer, and has mentored countless Dartmouth alumni.

Sonya Dyhrman is a professor of earth and environmental sciences at Columbia University and a fellow of the American Academy of Microbiology. She is a two-time Kavli Fellow of the National Academy of Sciences Frontiers of Science Program; her research is at the forefront of understanding the role ocean microbes play in driving Earth’s biogeochemical cycles and food webs and how a changing climate will influence ocean ecosystem resilience. She is an investigator with the Simons Foundation Collaboration on Ocean Processes and Ecology and a co-PI on the National Science Foundation Center for Chemical Currencies of a Microbial Planet. Dyhrman will be attending UN COP27 to use her work on ocean ecosystem resilience to support the negotiations. She is also a recipient of the U.S. Armed Forces Antarctic Service Medal for her work in the Antarctic Circle.

U.S. Representative Ann Kuster was first elected to represent New Hampshire’s Second Congressional District in November of 2012. Prior to taking office, she served as a longtime community activist and adoption attorney. Kuster is a member of the House Energy and Commerce Committee, where she serves on the Health Subcommittee, Energy Subcommittee, and the Oversight & Investigations Subcommittee. She is also a member of the House Agriculture Committee, where she serves on the Nutrition, Oversight, & Department Operations Subcommittee; Commodity Exchanges, Energy, & Credit Subcommittee; and Conservation & Forestry Subcommittee. Before her election to Congress, Kuster maintained a private adoption practice and helped hundreds of New Hampshire families adopt children.

Nicole Wojciechowski is an Inupiaq who resides in Utqiaġvik, Alaska. She serves as vice president of the Inuit Circumpolar Council, an international organization representing approximately 160,000 Inuit across Alaska, Canada, Greenland, and Chukotka. Wojciechowski also serves as deputy director of wildlife management for the North Slope Borough, a department that brings together Indigenous knowledge and science to facilitate sustainable harvests of fish and wildlife. She also serves as vice president on the Inupiat Community of the Arctic Slope Council.

Margaret Spring is chief conservation and science officer at the Monterey Bay Aquarium, where she oversees ocean conservation programs and science initiatives, including the Seafood Watch program, ocean protection and sustainability programs, and the sea otter conservation and recovery program. In 2021, she chaired a National Academies of Sciences committee that delivered a synthesis report on the U.S. role in global ocean plastic waste. Prior to her role at the aquarium, Spring held top leadership roles at the National Oceanic and Atmospheric Administration and The Nature Conservancy, served on Capitol Hill as counsel to the Senate Committee on Commerce, Science, and Transportation, and was in private practice in Washington, D.C.