Dr. Dunner’s research interests were primarily devoted to psychopharmacological and psychotherapeutic treatments for mood and anxiety disorders. He has authored or co-authored more than 350 articles and edited or co-edited more than 10 books. His clinical focus is on difficult to treat patients with depression and bipolar disorders. He is involved in the treatment of patients who have treatment resistant mood disorders with various pharmacotherapies including augmentation strategies and repetitive transcranial magnetic stimulation (rTMS), and is a referral source for other treatments, such as ECT and VNS.