Litjen (L.J.) Tan

Chief Policy and Partnerships Officer, Immunize.org

Dr. L.J. Tan, PhD, is the Chief Policy and Partnerships Officer for Immunize.org (formerly the Immunization Action Coalition), where he helps lead the development of innovative, high-impact immunization resources that support advocacy, education, and vaccine access. He holds a PhD in medical science and specializes in medical and public health policy development, with a focus on infectious diseases, vaccine-preventable diseases, emerging infections, and antimicrobial resistance. Dr. Tan is nationally recognized for his leadership in infectious disease and public advocacy, as well as for convening and facilitating forward-thinking policy forums to address critical public health needs. He also serves as a consultant to ESWI and APACI on influenza summits for Europe and the Asia-Pacific region and previously directed the American Medical Association’s Division of Medicine and Public Health, advancing the integration of medical and public health practice across the lifespan.

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