Donald R. Horn is the Director of Sustainable Design in the Office of Applied Science within GSA’s Public Buildings Service in Washington, DC. He ensures that sustainable design principles are included in GSA guidance for new construction, repair and alteration, facility management, and leasing. He provides assistance to GSA’s core business lines and 11 regional offices for training and project implementation related to sustainability.

Mr. Horn represents GSA on the Federal Green Building Council, the Interagency Sustainability Working Group, and the U.S. Green Building Council’s Government Committee and LEED® for Commercial Interiors Core Committee. He also serves on the Whole Building Design Guide Advisory Committee and Sustainable Subcommittee.

Mr. Horn’s previous experience includes GSA’s historic preservation program and private sector architecture firms. Mr. Horn has a Bachelor of Science in Architecture Degree from the University of Virginia and a Master of Architecture degree from the Georgia Institute of Technology.