Anna J. Siefken, LEED AP, serves as the North America Policy & Markets Lead for the Long Duration Energy Storage (LDES) Council, where she guides the Secretariat's strategy and policy efforts for marketplace adoption of existing and emerging technologies in long-duration energy storage. Prior to this role, Siefken was Principal Deputy Director of the U.S. Department of Energy’s Federal Energy Management Program (FEMP), overseeing initiatives that leveraged the U.S. federal government’s $630B portfolio-wide purchasing power towards decarbonizing its 350,000 buildings and electrifying over 600,000 fleet vehicles. She forged partnerships with more than 30 federal agencies and led key initiatives, including FEMP’s $290M AFFECT grant program, which represented $4.1B in energy-related investment potential. Siefken is an appointed U.S. Ambassador for Clean Energy Education and Empowerment (C3E) and served as the U.S. Delegate to Mission Innovation’s Technical Advisory Group. During her three-year tenure at U.S. DOE, Siefken held a leadership role in the Office of Technology Transitions, where she created an innovative public-private partnership with DOE, Edison Electric Institute, Electric Power Research Institute, and the LDES Council with specific focus on offtake, supply chain, and tech innovation for LDES.

Siefken was the inaugural Executive Director of Carnegie Mellon University’s Energy Institute, fostering research and cleantech innovation including $360M+ in follow-on funding for start-ups. Earlier in her career, she served as VP for one of the nation’s largest U.S. Green Building Council chapters, where she helped to establish the global 2030 Districts Network with ambitious energy and emissions goals across 24 U.S. cities. Siefken also held a Principal role at ICF and was the Global Product Merchant for Energy and the Environment at The Home Depot. She is a graduate of Duke University.