B.S. 1971, Ball State University; M.B.A. 1973, J.D. 1975, Drake; L.L.M. 1977, New York University; Managing Editor, Drake Law Review; admitted to practice in Iowa, District of Columbia, and Minnesota; law clerk to Judge Darrell D. Wiles, U.S. Tax Court for the District of Columbia, 1977-79; partner, Doherty, Rumble & Butler, St. Paul, 1979-84; Associate Professor, William Mitchell, 1984-89; Professor, 1989-96; Visiting Professor, Suffolk, 1995-96; Professor since 1996; Visiting Professor, Northeastern, spring 1999; Visiting Professor of Law, Washington and Lee University, fall 2000.