Duncan is the co-founder and President of GFF, a 125-person multi-disciplinary firm with completed work throughout the United States and in several foreign countries. He has over 35 years of experience with a variety of building types, with a recent emphasis on corporate and cultural projects. Duncan’s corporate work includes Capital One’s North Texas Campus, Pizza Hut’s Corporate Headquarters, Nokia Americas Headquarters and regional headquarters for MedAssets and McAfee. He has been retained by many of Dallas’ most notable cultural institutions, including the Perot Museum of Nature and Science, the AT&T Performing Arts Center, the Dallas Arboretum and the Dallas Zoo. One area of focus has been the Dallas Arts District, where he has worked continuously since 2004 on a variety of projects.
Duncan became a member of the prestigious AIA College of Fellows in 1994 and has served his profession and community in many ways. He has written and lectured on a range of subjects including architectural design, planning policy, the Dallas Arts District, training facilities, historic preservation – and most recently sustainable design. He has served as President of both the Dallas AIA and the Dallas Architectural Foundation and on the boards of the Texas Society of Architects and the University of Kansas School of Architecture. Civic activities include the AT&T Performing Arts President’s Advisory Board, Vice-Chairman of Methodist Health System Board, Chairman of the Board of Trustees of Highland Park United Methodist Church, President of the Dallas Assembly, The Real Estate Council (Board Member), the Salesmanship Club and the City of Dallas Urban Design Advisory Committee.