George Martin Rosenkoff was born on July 24, 1933, in West Philadelphia, to Beatrice and David Rosenkoff, a salesman for a machine belt manufacturer. He later changed his name to Ross. He graduated in 1955 from Drexel University and decided to become an investment banker after briefly studying law at the University of Pennsylvania. He joined Goldman Sachs in 1959 and became a partner in 1971. Mr. Ross, a Philadelphia native, led the fixed-income division of Goldman Sachs in the mid-1970s before being appointed to run the firm’s Philadelphia office. While there, from 1976 until his retirement in 1991, he was involved in raising money for various causes. Besides his wife of 51 years, Mr. Ross is survived by their two children, Merry, of Oakland, Calif., and Michael, of Philadelphia; and two grandchildren.