He was previously the Chairman of the Board of Principals at the architectural firm The Architects' Collaborative (TAC), working there from 1970 until 1994.
[2] Sheehy was born in Hibbing, Minnesota, on the Mesabi Iron Range west of Lake Superior.
Sheehy is known for his expertise in the design of Mixed-use development commercial projects, and tall buildings.
[3] His significant work as principal at TAC includes: Boston’s Copley Place; 801 Tower, Los Angeles, California; the Johns-Manville World Headquarters,[4] Denver, Colorado; Liberty Center, Pittsburgh, Pennsylvania; and Harvard University’s John F. Kennedy School of Government in Cambridge, Massachusetts.
John Sheehy is currently an associate professor at the School of Architecture at the University of Hawaii in Honolulu.