AB, Brown University, 1974. Master in Architecture, Harvard University, 1980.
Architect, Architectural Resources Cambridge (Massachusetts), Inc., 1980-1987; architect, Shepard/Quraeshi Associations, Watertown, Massachusetts, 1987-1988; principal, Costa/Flenniken Associations, Boston, 1988-1990; principal, Dan Costa American Institute of Architects, Boston, since 1990. Member Somerville (Massachusetts) Design Review Board, 1988. Board directors Somerville History Preservation Commission, 1991-1996.
Member American Institute of Architects, Boston Society Architects.
Married Shepley Patterson Metcalf, May 31, 1980 (divorced March 1988). 1 child, Hilary Metcalf.