ABA is led by four Principals: Ann M. Beha FAIA, Philip B. Chen AIA, Thomas M. Hotaling AIA, and Steven Gerrard AIA. Established over 30 years ago, the firm has completed projects throughout the United States and is known for its research, quality of design, and the talents and teamwork of its staff.

Philip B. Chen AIA, LEED AP, Principal and President

Philip Chen's innovative design for new and historic structures has brought distinction and honors to his academic, cultural, and civic projects. His clients include the Smithsonian Institution, the US Department of State, Bates College, the Town of Arlington Library, Harvard University, the University of Chicago, and the Commonwealth of Massachusetts.

Philip Chen is a Chair of the Education Committee for the School of Architecture Advisory Council at Northeastern University, and has been a Guest Critic at Northeastern University, the University of Houston, and Tulane University. He holds a Master of Architecture Degree from the Graduate School of Design at Harvard University and a Bachelor of Environmental Design from Texas A&M University. Philip has led lectures for the AIA and its chapters, the Society for College and University Planning, and the New England Museum Association.