A former senior climate adviser to President Joe Biden’s Department of Energy has spun through the revolving door to join a lobbying firm focused on green energy issues.

Karen Skelton, an ex-senior DOE policy adviser who has aided Energy Secretary Jennifer Granholm and senior climate diplomat John Podesta since 2021, is joining Boundary Stone Partners as a senior adviser, E&E News reported. Boundary Stone Partners was hired by 45 clients in 2024 and heavily lobbies on issues related to energy and nuclear power, as well as the manufacturing sector, according to OpenSecrets, a nonpartisan lobbying tracker.