Skip to main content

Gregg Sylvester

Chief Health Officer

Gregg Sylvester, CSL Seqirus Chief Health Officer

Dr Gregg Sylvester has led CSL Seqirus Medical Affairs since 2016, overseeing the global team that scientifically differentiates our vaccines by generating Real World Evidence and presenting CSL Seqirus research to national vaccine recommending organizations.  Gregg has extensive experience in the pharmaceutical industry, government and patient care. Prior to joining CSL Seqirus, he led Medical Affairs teams in the worldwide launches of Gardasil, Prevnar 13 and Trumenba.  Gregg obtained specialty boards in Pediatrics and General Preventive Medicine.  Augmenting his clinical expertise, he served in the CDC Epidemic Intelligence Service and as a Public Policy Fellow in the U.S. Congress. During his distinguished career in state government, Gregg was appointed to the Cabinet Secretary for Health and Social Services in Delaware, leading the state‚Äôs largest agency.  Gregg has a MD from Albany Medical College and an MPH from the Johns Hopkins Bloomberg School of Public Health. 

GBR-FLU-0006 February 2021