CEO
Plexxikon, Inc.

Dr. Hirth co-founded Plexxikon in December 2000, and has 20 years of biotechnology and pharmaceutical discovery and development experience. Previously, he was president of Sugen, Inc. until the sale of the company to Pharmacia Corporation in 1999. At Sugen, he helped build the company from its inception and advanced several kinase inhibitors through clinical trials for the treatment of oncology. Prior to Sugen, Dr. Hirth was a vice president in research with Boehringer Mannheim where, among other responsibilities, he successfully led the company's erythropoietin program. Previously, he also was a research scientist with the Max Planck Institute, following the completion of his post doctoral work at the University of California, San Diego. Dr. Hirth received his Ph.D. in molecular genetics from Heidelberg University, Germany.