AGE, BIRTH DATE : 51, born Nov. 30, 1954, in New Haven, Conn.
EDUCATION: Massachusetts Institute of Technology, B.S. 1975; Harvard University, Ph.D, 1982.
EXPERIENCE: MIT faculty, 1979-82; domestic policy economist on President Ronald Reagan's Council of Economic Advisers, 1982-83; Harvard professor of economics, 1983-93; World Bank chief economist, 1991-93; undersecretary of the treasury for international affairs, 1993-95; deputy treasury secretary, 1995; treasury secretary, 1999-2001; July 2001-present, president, Harvard.
FAMILY: Wife, Elissa New, professor of English and American literature and language. Summers has twin daughters, Pam and Ruth, and a son, Harry, from a previous marriage.
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