BSArch, Illinois Institute of Technology, 1948. Doctor of Laws (honorary), Loyola University, Chicago, 1982.
Draftsman, Schmidt, Garden & Erikson Architects, Chicago, 1950-1956; architect, Parliamentary Assembly of the Council of Europe Associations, Chicago, 1956-1965; partner, Dubin, Dubin and Moutoussamy, Chicago, 1966-1983; managing partner, Dubin, Dubin and Moutoussamy, Chicago, 1983-1995. Consultant architect Metro. Pier and Exhibition Authority, Chicago, 1975-1995.
Trustee The Art Institute of Chicago Chicago, 1973-1995, Loyola University, 1972-1981. Board of Governors School The Art Institute of Chicago, 1980-1993. Vice chairman Chicago Plan Commission, 1979-1981.
Fellow American Institute of Architects. Member Wayfarers' Club.
Married Elizabeth Rose Hunt, March 15, 1942. Children: John Junior (deceased), Claude Louis, Jeanne Marie.