James Prussing is a 2023-2024 Veterans Advanced Energy fellow at the Atlantic Council and a senior vice president with Boundary Stone Partners, a clean-energy government-affairs firm working at the intersection of technology, finance, and policy. He leads the firm’s industrial decarbonization and carbon management practice as well as Boundary Stone’s support to Overture VC, the only venture fund at the intersection of climate and government. 

Prussing joined Boundary Stone from the US Treasury Department, where he served as a senior advisor in the Office of Climate & Environment and was responsible for developing and coordinating international climate and sustainable finance policies. He led the department’s engagement in numerous multilateral forums, including the Group of Seven, Group of Twenty, and Organisation for Economic Co-operation and Development , and played a key role in the negotiation and implementation of several international agreements to finance clean energy technologies. Prussing also held positions as a senior advisor in the Office of International Financial Markets and as a director and senior policy advisor in the Office of Terrorist Financing and Financial Crimes. 

Prior to joining the Treasury, Prussing served as an infantry officer in the US Marine Corps. He is an Afghanistan combat veteran and served as a military social aide to former US President Barack Obama. Prussing began his career as an investment banking analyst in New York, with transaction experience across the energy, technology, and industrial sectors.

Prussing is a fellow at the Truman National Security Project and holds an MS in energy policy and climate from Johns Hopkins University, an MA in security studies from Georgetown University, and a BS in finance and international business from the University of Maryland.