Eyob Mazengia, MS, PhD

Affiliate Assistant Professor, Env. and Occ. Health Sciences (Primary department)
Dr. Mazengia is a Public Health Scientist specializing in Environmental Public Health, Microbiology and Epidemiology of food and waterborne pathogens. His work experience encompass: Laboratory method development for detection of pathogens/indicator organisms in water and food, microbial source tracking, environmental surveillance for parasites in source water, sewage and biosolid materials, and market prevalence of foodborne pathogens. He has worked in various settings including, university, private research firm and state and local government agencies, as well as run his own private PH consulting firm. Currently works with Public Health Seattle and King County, supervising senior and mid level public health investigators. Some of his expertise include, work force and program development, conduct and supervise public health investigations, conduct research, interpret microbiological data, write reports and conduct analysis, develop and analyze policies, establish QA/QC, review and approve HACCP, conduct field audits of food processing establishments, food/water/environmental sampling during investigations; evaluate safety of food process and controls, and provide ongoing trainings and mentorship.

Contact Information

Research Interests

  • His research and professional interests are in the detection and prevention of foodborne illnesses, detection and monitoring of pathogens in the environment, laboratory method development and Food/Water provision and safety in the developing countries (i.e., food, water, air, garbage, water and wastewater issues).

Teaching interests

Epidemiology of foodborne illnesses General Environmental Health Hands on food and water laboratory tests Applied Food Safety (i.e., observational study, HACCP, behavior modifications,...) for retail food establishments. Molecular epidemiology Response and management of EH emergencies (e.g., Provision of EH services in refugee or temporary settlements).


MS, Environmental Health, University of Washington, 1998
PhD, Environmental Health, University of Washington, 2013
BS, Environmental Health, University of Washington, 1996


Observational study of cross contaminations. Prevalence of Listeria spp. in retail food establishments serving soft serve ice cream. Raw Deal: Reducing the risk of Salmonella and other pathogens among people who consume Kitfo (i.e., Seasoned raw minced beef) Global Health (Integrated Global Public Health Services)
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