Bret Strogen is the Army's Special Assistant for Energy and Sustainability, and works for the Assistant Secretary of the Army for Installations, Energy and Environment. In this role, he advises the Army in setting policies and overseeing programs related to operational energy, third-party financing of energy projects, and utilities privatization. Prior to joining the Army Secretariat, Bret was an Energy Innovation Analyst in the Office of the Secretary of Defense for five years. He first joined the DoD as an AAAS Science & Technology Policy Fellow in 2013, and served as an on-site contractor from 2015 through 2018. Bret provided technical and management support for the Department's Operational Energy Capability Improvement Fund (OECIF), and advised and reported on the technical, economic, and policy aspects of alternative fuels and energy technology investments. He also served as the Executive Secretary for a 2016 Defense Science Board report on very small nuclear reactors and alternative energy systems for remote and forward operating bases. Before moving to Washington, DC, Bret completed his PhD in environmental engineering at UC Berkeley, where he modeled life-cycle environmental impacts and economics of biofuel and petroleum infrastructure systems. Bret is a Professional Engineer licensed in the State of Pennsylvania.