Joe Bryan is the principal at Muswell Orange, LLC, a boutique clean energy consulting. Before his return to the private sector, Joe was the Senior Climate Advisor to the Secretary of Defense and the Department’s Chief Sustainability Officer. Prior to his January 2021 DoD appointment, Joe managed a consulting practice focused on clean energy technology and its intersection with national security. He previously served as Deputy Assistant Secretary of the Navy for Energy where he was responsible for policies relating to the Department’s installation and operational energy programs. Earlier in his career, Joe led investigations for the Senate Armed Services Committee and served on the professional staffs of the Senate's Select Committee on Intelligence and Permanent Subcommittee on Investigations. He has consulted on energy policy in Namibia and South Africa and began his career working on electricity restructuring and state-level policies to encourage the growth of clean energy markets.