As Senior Vice President for Government Affairs, Tiernan Sittenfeld directs LCV’s policy and lobbying efforts with Congress on a range of issues, including climate change, energy, public lands, and chemical policy reform. She works on LCV’s legislative accountability campaigns and oversees the National Environmental Scorecard. She also leads the LCV Action Fund Coordinated Team, overseeing all candidate endorsements and endorsement communications, direct contributions, and coordinated field programs. Before joining LCV, Sittenfeld worked for the U.S. Public Interest Research Group (U.S. PIRG) as the Preservation Advocate, specializing in national forest, public lands, and oceans issues. Prior to that, she worked for OSPIRG and CALPIRG. Sittenfeld is a graduate of Dartmouth College.