Education

BS Chemical Science, Florida State University, 2010
MPH Epidemiology, Emory University, 2012
DrPH Advanced Practice Leadership in Public Health, University of South Florida, 2020

Contact

206-586-6056
emarder@kingcounty.gov

Bio

Dr. Ellyn Marder (she/hers) is an infectious disease epidemiologist with expertise in enteric diseases, surveillance, informatics, outbreak and emergency response, with a strong focus on applied public health. She currently serves as the Epidemiology Team Manager at Public Health — Seattle & King County. Her work in public health practice is centered on bridging epidemiologic research with real-world public health needs, ensuring that robust epidemiologic methods appropriately guide interventions.

Dr. Marder earned an MPH in Epidemiology from Emory University and a DrPH in Advanced Practice Leadership in Public Health from the University of South Florida. She completed a CSTE/CDC Applied Epidemiology Fellowship where she was assigned to the Tennessee Department of Health as a food safety fellow. Following her fellowship, Dr. Marder served as an Epidemiologist with the Centers for Disease Control and Prevention in Atlanta, GA as part of the Emerging Infections Program’s Foodborne Diseases Active Surveillance Network. During 2020-2024, Dr. Marder was a Senior Epidemiologist at the Washington State Department of Health, supporting the COVID-19 pandemic response. She joined Public Health — Seattle & King County in 2024. Throughout her career, Dr. Marder has supported a variety of outbreak and emergency response and preparedness activities at the local, national, and international levels including fungal meningitis linked to contaminated steroid injections, thrombotic thrombocytopenic purpura-like illness associated with injection drug abuse, Ebola in West Africa, training epidemiologists in Kenya through the Field Epidemiology and Laboratory Training Program, and building surveillance and response capacity in Rwanda during an outbreak of Ebola in DRC.

Dr. Marder is open to working with students who share research interests or are seeking to gain experience in public health practice and applied epidemiology.