From 2004 to 2006, Theuer was the Chief Medical Officer and Vice President of Clinical Development at TargeGen, Inc., a biotechnology company, where he led the development of small molecule kinase inhibitors in oncology, ophthalmology, and cardiovascular disease. Prior to joining TargeGen, Inc., Theuer was Director of Clinical Oncology at Pfizer, Inc., a pharmaceutical corporation, from 2003 to 2004. At Pfizer, he led the clinical development of Sutent in kidney cancer; Sutent®was approved by the U.S. Food and Drug Administration in 2006 for the treatment of advanced kidney cancer.
Theuer has also held senior positions at IDEC Pharmaceuticals Corp. from 2002 to 2003 and at the National Cancer Institute from 1991 to 1993. In addition, he has held academic positions at the University of California, Irvine, where he was Assistant Professor in the Division of Surgical Oncology and Department of Medicine.
Theuer received a BS from the Massachusetts Institute of Technology, an MD from the University of California, San Francisco, and a PhD from the University of California, Irvine. He completed a general surgery residency program at Harbor-UCLA Medical Center and was board certified in general surgery in 1997. Theuer’s previous research involved immunotoxin and cancer vaccine development, translational work in cancer patients, and gastrointestinal cancer epidemiology.