Our Team

PDTi’s team has extensive experience in the science and clinical use of vaccines as well as, long-term, global contacts and government affairs experience. They are skilled at dealing with Ministries of Health, Foreign Affairs, Finance, and National COVID Task Forces in regionally diverse countries. Their strength is in their local distribution capacity, vaccine quality control and post vaccination services. These additional services are crucial in getting to “the last mile” in vaccine distribution and uptake.

Dr. Robert Redfield, M.D.
Co-Founder & President

Dr. Yichen Lu
Co-Founder & CEO

Dr. Mitchell Wolfe, M.D.
Chief Global Strategist

Nina Bishop Witkofsky

VP Business Development

Dr. Annie Guo
VP Quality Assurance

Our Board

Dr. Robert Redfield, M.D.

Dr. Yichen Lu

Joe Grogan