Bachelor, Yale University, 1951; Master of Business Administration, Stanford University, Palo Alto, California, 1953.
Partner, Dean Witter & Company. New York City, 1956-1966; president, founder, William D. Witter, Inc., New York City, 1966-1976; investment advisor, William D. Witter, Inc., New York City, since 1976. Trustee Dean Witter Foundation, San Francisco, since 1952.
Member advising committee Stanford (California) U. Graduate School of Business. Appointed member Senate Commision on Corporation Governance, Shareholder Rights & Securities Transactions, Sacramento, since 1990. Member Explorers Club, Bohemian Club of San Francisco, Links Club of New York City, Pacific Union Club of San Francisco.
Married Susan Rentschler. Children: Virginia Ann, Elizabeth Tacy, Sidney Waldon, William Perkins. Married Inger Kullberg.
Children: Michael David, Anna Christina.