Bachelor of Science, University Washington, 1976. Master of Science in Engineering, Royal Institute Technological, Stockholm, 1982. Doctor of Philosophy, University Lund, Sweden, 1989.
Research assistant, The Institute Optical Research, Stockholm, 1982-1983; research assistant, Swedish Telecom, Farsta, Sweden, 1983-1986; research assistant, U. Lund, Sweden, 1986-1988; researcher, Swedish Telecom, Farsta, 1988-1991; researcher, Telia Research, Haninge, Sweden, since 1991.
Married Wanna Pholudom, August 31, 1985. Children: Daniel, Fredrik.