Jeremiah Baumann is the Chief of Staff, Office of the Under Secretary for Infrastructure. He was previously the DOE Deputy Chief of Staff. Prior to DOE, he was Director of Federal Policy at Energy Innovation, where he worked to build an equitable and just clean energy economy. He previously led efforts focused on state clean energy policies at Bloomberg Philanthropies and served as Legislative Director for Senator Jeff Merkley (D-OR), where he supported the Senator on the creation of the Rural Energy Savings Program and worked with Oregon and California tribes, farmers, and ranchers on water and energy management in the Klamath River Basin. Originally from Montana and a member of the LGBTQ+ community, Baumann holds a B.A. from Yale University.