Bachelor magna cum laude, Yale University, 1960. Master of Arts cum laude, Yale University, 1964. Doctor of Philosophy, New York University, 1978.
Teacher Milton (Massachusetts) Academy, 1961-1963. Program officer International Exchange Program, New York City, 1965-1967. Associate, consultant Booz Allen & Hamilton, 1967-1970.
Vice chancellor for budget and planning City University of New York, 1970-1977. Special assistant to acting president Yale University, New Haven, 1977-1978. Executive vice president finance, treasurer Columbia University, New York City, 1978-1988.
President Publication Group Inc., 1988-1990. Managing director Anthony Knerr & Associates, since 1990. Lecturer Columbia University, New York City, 1986-1988.
President emeritus Caribbean Conservation Corporation, since 2001. Board directors Delaware Mutual Funds.
Board directors New York Society Library., since 1983, board member. President emeritus United Neighborhood Houses, since 1994. Vice chairman Humanity in Action, since 1997.
Director Delaware Group Mutual Funds, member Mutual Fund Directors Education Council. Member The Century Association, Keats-Shelley Association (board directors since 1983, board member), Foreign Policy Association, Grolier Club, New York Economic Club, Phi Beta Kappa.
Married Katrina Ely Carter, June 22, 1963 (divorced July 1974). Children: Christopher Hamilton, Theodore Gabriel, Sidonie Nagoly. Married Susanne E. Kastler, April 20, 2002.