Member New York State Mental Health Services Council, 1984-1989. Served with United States Navy. Member St. John's University School Law Alumni Association (board directors, president), St. John's Alumni Federation (board directors).
Associate Havens, Wandless, Stitt and Tighe, New York City, 1961-1964. Assistant legislation representative Office of Mayor, 1964-1966. Partner Adams & Giaimo, 1966-1970, Giaimo & Kaufman, New York City, 1970-1971, Manton & Giaimo, New York City, 1972-1976.
Sole practice, 1976-1982. Partner Giaimo & Vreeburg, since 1982. Assistant counsel to various New York state assemblymen, 1966-1977.
Legislation assistant Insurance committee, 1978-1980. Counsel to committee on governmental employees, 1981-1984.