PASADENA, Calif.--(BUSINESS WIRE)--Arrowhead Research Corporation (NASDAQ:ARWR), a nanomedicine company with development programs in oncology, obesity and regenerative medicine, today announced that Timothy J. Triche, M.D., Ph.D., Professor of Pathology and Pediatrics at the University of Southern California (“USC”) Keck School of Medicine, has agreed to join the Scientific Advisory Board (“SAB”) of Arrowhead’s majority owned subsidiary Calando Pharmaceuticals, Inc.