Liana R Clark, MD, MSCE (She/Her)

Global Medical Brand Lead, Sanofi
  • United States of America

About Liana R Clark, MD, MSCE

I am a global medical brand lead at Sanofi, focusing on vaccine strategies for pertussis, polio, and Hib, as well as transversal initiatives like Vaccination in Pregnancy & Beyond. My work centers on advancing vaccine confidence, increasing uptake, and shaping global medical strategy.

As a physician specializing in adolescent medicine and a former academic at the University of Pennsylvania and The Children’s Hospital of Philadelphia, I bring a unique perspective to vaccine development. My passion for public health stems from my clinical and research background, which includes addressing barriers to vaccination and improving health equity.

In addition to leading global vaccine initiatives, I continue to advocate for adolescents as Chair of the Society for Adolescent Health and Medicine’s Vaccination Committee. My devotion to adolescents as a unique patient group—one requiring specialized care and attention—drives much of my work and keeps me focused on their specific healthcare needs.

Outside of work, I enjoy creative pursuits like knitting and photography and am committed to empowering women to lead authentically and confidently.

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