Dr. Tan is Professor of Pediatrics at the Feinberg School of Medicine, Northwestern University, and a Pediatric Infectious Diseases attending; Medical Director of the International Patient and Destination Services Program (IPS); co-Director of the Pediatric Travel Medicine Clinic; and Director of the International Adoptee Clinic at Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois. She is board certified in Pediatrics and Pediatric Infectious Diseases. Dr. Tan recently served as a member of the Board of Directors of the Infectious Diseases Society of America (IDSA – 2017-2020). She also is a member of the IDSA Education Committee and the chairperson of the IDSA Committee on Diversity, Inclusion, Access & Equity. She currently serves as chairperson of the: American Academy of Pediatrics Global Immunization Advocacy Project Advisory Committee and is a Technical Advisor for the AAP/CDC Global Immunization Advocacy Project; AAP Expert Pertussis Cocooning Advisory Committee, and is a liaison to the CDC ACIP Pertussis Working Group and to the Illinois Chapter of the AAP OB/GYN Immunizations and Pregnancy Outreach Committee. She is a member of the American Board of Pediatrics (ABP) Global Health Task Force Dissemination and Advocacy Work Group. Dr. Tan is a member of: the Vaccine and Related Biologic Products Advisory Committee (VRBPAC) of the Food and Drug Administration (FDA) and the Board of Scientific Counselors, Office of Infectious Diseases, Centers for Disease Control and Prevention (CDC) where she serves as co-Chair of the AFM Task Force and the Vaccine Confidence Task Force. She is the Editor-in-Chief of Contemporary Pediatrics and the American Academy of Pediatrics Redbook Atlas of Pediatric Infectious Diseases and the Redbook: A Quick Diagnostic Deck. She serves on the editorial boards of: the Journal of the Pediatric Infectious Diseases Society (Official Journal of the Pediatric Infectious Diseases Society - PIDS), Internal Medicine Reviews, and Vaccines. She is the Co-Chairperson and US Representative to the International Steering Committee of the Global Pertussis Initiative (GPI); a member and consultant to the Steering Committee of the Latin America Without Pertussis Initiative (PAHEF, SLIPE); a member of the Expert Pertussis Core Team for Latin America & the Caribbean: Pertussis Action Plan 2020; a member of the Board of Directors of the World Association of Infectious Diseases and Immunological Disorders (WAidid); and a member of the US National Pertussis Task Force (AAP and Every Child by Two). She also is a member of the vaccine advisory boards of Merck, Sanofi Pasteur, GSK and Pfizer/Wyeth. Her interests include: pertussis disease and vaccines, pneumococcal disease and vaccines, CA-MRSA infections, antibiotic resistance, vaccines and vaccine preventable diseases, general infectious diseases, vaccination of cancer patients with routinely recommended adult preventative vaccines, and vaccine education for healthcare providers and patients.