Diane M. Johnsen is a Judge of the Arizona Court of Appeals, Division One. She was appointed to the court in August 2006 by Governor Janet Napolitano.
Previously, she was a commercial litigation attorney at Munger, Tolles & Olson in Los Angeles, California, from 1983 to 1985 and at Osborn Maledon in Phoenix, Arizona, from 1985 to 2006.
Judge Johnsen received her B.A. from the University of Arizona and her J.D. from Stanford Law School.