Gregg Sylvester – Biography

Last update: May 18, 2026

Executive profile

Gregg was Vice President, Americas at Pfizer, and Senior Medical Director at Merck Vaccines.

Gregg Sylvester is currently

Chief Medical Officer at Seqirus - View - Seqirus org chart



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Education

Gregg Sylvester has a Doctor of Medicine from Albany Medical College and a Master of Public Health in General Preventive Medicine & Public Health from Johns Hopkins Bloomberg School of Public Health.

The colleagues of Gregg Sylvester

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  • In the Pharmaceuticals industry, Gregg Sylvester has 23,010 colleagues in 1,920 companies located in 68 countries. 10,684 executive movements have been recorded in the last 12 months. Learn more about Pharmaceuticals.

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Get in Touch

Here are a few tips for establishing great contacts.

Through the switchboard, call Seqirus at +44 845... and ask for Gregg Sylvester.

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