Prior to joining Immunize.org, Dr. Tan was the director of medicine and public health at the American Medical Association (AMA).
Dr. Tan was a voting member of the Department of Health and Human Services' National Vaccine Advisory Committee from 2009 to 2013, where he served on the adult immunization, vaccine safety, and healthcare worker immunization working groups, and chaired the immunization infrastructure working group. He also served for more than ten years as the AMA's liaison to the Centers for Disease Control and Prevention's Advisory Committee on Immunization Practices, where he served on the influenza, pneumococcal, zoster, and adult immunization working groups.
He co-founded and currently co-chairs the National Adult and Influenza Immunization Summit. He continues to collaborate with international organizations such as ESWI and APACI to improve immunization coverage rates globally. He is the current Co-Chair for the Global Influenza Initiative, and also serves on multiple steering committees/advisory boards including the 317 Coalition, the Adult Vaccine Access Coalition (AVAC), and the Unity (United for Adolescent Vaccination) Consortium. Dr. Tan also serves, or has served on the National Quality Forum’s Adult Immunizations Expert Committee, the Pharmacy Quality Alliance’s Adult Immunization Working Group, and numerous national and international expert and technical advisory committees, including panels for the Centers for Medicare and Medicaid Services, The Joint Commission, and the Centers for Disease Control and Prevention, on issues ranging from vaccine hesitancy, to immunization quality measurement development, to adult immunizations, to immunization access and delivery. In 2007, he founded the National Immunization Congress and organized its 2007 and 2010 meetings which developed new and innovative policy solutions to address barriers to immunizations in the United States.
Dr. Tan serves/has served as an editor/reviewer for Vaccine, BMC Infectious Diseases, Medscape Infectious Diseases, and is a member of the ESCMID Vaccine Study Group and has published more than 90 peer-reviewed articles.
