Program Director for the Physician Assistant Program University of California, Davis, Betty Irene Moore School of Nursing | Sacramento, California University of California, Davis, Betty Irene Moore School of Nursing has retained Isaacson, Miller to assist in the search for Program Director for the Physician Assistant Program. Jay Torio is leading this search with Aku Ammah-Tagoe and Maria Peña. More information to follow. APPLY NOMINATE contact Aku Ammah-Tagoe