Registered architect, New York, New Jersey, Pennsylvania, Massachusetts Student architect, graduate teaching assistant Michael Graves Architect, Princeton, New Jersey, 1973-1974. Graduate architect Mitchell/Giurgola Architects, 1974-1976, I.M. Pei & Partners, New York City, 1977. Architect Poor, Swanke, Hayden & Connell, New York City, 1978-1979.
Principal Peter W. Charapko, Architect, New York City, since 1979. Critic Institute Architecture and Urban Studies, New York City, 1978-1979, Pratt Institute, 1987. Architecture instructor New York University, since 1989.
Principal works include Playhouse 91, New York City, hotel renovations, West End Collegiate Church Education Center, Fort Washington Collegiate Church Chancel renovations, additions New York City parks and recreation buildings Participant Vietnam Veterans Memorial competition, 1982. Vice president, trustee Princeton University Class of '71 Foundation, Inc., since 1983.