Bachelor, University Michigan, 1951.
Securities salesman Goodbody & Company, Cleveland, 1951—1962. Co-manager Westheimer & Company, 1962. President Hartzmark & Company, Inc.
Member New York Stock Exchange and American Stock Exchange, 1962—1974. Partner Cowen & Company, Cleveland, 1974—1978. Vice president corporation finance Midwest Thomson McKinnon Securities Inc., since 1978.
President Hartzmark & Company, Hartzmark Option Management Company.
Member of Jewish Community Federation, Investment Bankers Association Bond Club, President Club (Michigan), Racquet Club, Oakwood Country Club (Cleveland), Boca West Country Club, B'nai B'rith, Zeta Beta Tau.
Married Dolores Ringle, August 10, 1950. Children: Debby, Michael.