Jonathan K.L. Simon, managing director, is a portfolio manager in the U.S. Equity Group. An employee since 1980, Jonathan is the lead portfolio manager of the JPMorgan Mid Cap Value Fund, the JPMorgan Value Advantage Fund, and the JPMorgan Equity Focus Fund. Jonathan joined the firm as an analyst in the London office, transferred to New York in 1983 and became a portfolio manager in 1987. Jonathan has held numerous key positions in the firm, including president of Robert Fleming's U.S. asset management operations and chief investment officer of U.S. Value Equity. Jonathan holds an M.A. in mathematics from Oxford University.