Bachelor, Augustana College, Rock Island, Illinois, 1961. Master of Arts, University Michigan, 1963. Master of Divinity, Lutheran School Theology Chicago, 1965.
Doctor of Theology, Union Theological Seminary, New York City, 1971.
Assistant pastor, Trinity Lutheran Church, Tenafly, New Jersey, 1966-1968; instructor to associate professor religious studies, Wagner College, Staten Island, New York, 1969-1977; associate professor New Testament, Luther Northwestern Theological Seminary, St. Paul, 1977-1986; professor New Testament, Luther Northwestern Theological Seminary, St. Paul, since 1986.
Trustee Gustavus Adolphus College, St. Peter, Minnesota, since 1990. Member Society Biblical Literature, Studiorum Novi Testamenti Societas, Phi Beta Kappa.
Married Carole Ruth Benander, June 26, 1965. Children: Peter, Stephen, Kristina.