Dr. Heppner is a vaccinologist and board-certified infectious disease physician with 29 years of research and development experience, including clinical trial design and execution in the US and overseas. His expertise includes preclinical, first-in-human, and field trials of new drug products in tropical medicine and biodefense. Dr. Heppner is a Managing Partner and Chief Medical Officer at Crozet BioPharma, LLC. He has held biotechnology leadership positions in government and in the private sector.