Director, Vaccine Education Center, The Children’s Hospital of Philadelphia
Chief Scientific Officer
Head, North America Hub
Sanofi Global R&D
Chief, T-Cell Tolerance and Memory Section
NIAID/NIH
Chief, Vaccine Branch, Center for Cancer Research, NCI/NIH
Chief Medical Officer, Bill & Melinda Gates Medical Research Institute
Founder and Chairman Emeritus, Vaccinogen Inc.
Chief Executive and Scientific Officer, Sanaria Inc.
Director, Texas Biomed AIDS Research Program
Chief Executive Officer, Biological Mimetics, Inc