Bachelor of Science in Engineering, New York University, 1954; postgraduate School Engineering, Columbia University, 1954-1955.
Vice president, general manager, Northern American Telecom, ITT, Memphis, 1957-1969; executive vice president, chief operating officer, Sycor, Inc., Ann Arbor, Michigan, 1969-1970; vice president investments, Heizer Company, Chicago, 1970-1971; senior vice president, General Instrument Corporation, Chicopee, Massachusetts, 1971-1977; president, chief Executive officer, American Biltrite, Cambridge, Massachusetts, 1977-1983; various senior executive positions, General Instrument Corporation, New York City, 1984-1987; chief operating offficer, General Instrument Corporation, New York City president, General Instrument Corporation, New York City, 1987-1991; also director, General Instrument Corporation, New York City. Private practice management consultant, 1984.
Served to 1st lieutenant United States Army, 1955-1957. Member Alpha Omega. Clubs: Metropolitan (New York City), Weston Golf.
Married Demetra Karambelas, July 12, 1958. Children: Olympia Safiol Twomey, Peter, Christina.