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, and at Osborn Maledon in Phoenix, Arizona.
Judge Johnsen received her B.A. from the University of Arizona and her J.D. from Stanford Law School.