• Clinical Associate Professor, Global Health
  • Global Coordinator, USI Partnership Project
  • Executive Director, Iodine Global Network
  • Executive Director, Sajilo Solutions International

Global Center for for Integrated Health of Women, Adolescents and Children (Global WACh)
Department of Global Health, University of Washington
325 Ninth Avenue, 13th floor, Box 359931
Seattle, WA 98104
United States

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Jonathan Gorstein has been working to support the design and implementation of large-scale nutrition programs in developing countries with a focus on capacity building, monitoring and evaluation.

He serves on global task forces for the World Health Organization, as well as several editorial boards of international public health nutrition journals. He has worked with international agencies and as a consultant to several Ministries of Health. He has served extended assignments in Nepal and Indonesia where he provided support to their respective national nutrition programs, helped develop curricula in nutrition and carried out operational research.

He is currently the Executive Director of the Iodine Global Network and has been working to support national programs to strengthen Universal Salt Iodization for over twenty-five years to achieve optimal iodine nutrition in countries throughout the world. He is a Clinical Associate Professor in the Department of Global Health at the University of Washington where is lectures on nutrition in developing countries.

  • PhD (University of Michigan)
  • BA (Evergreen State College)
  • French
  • Indonesian
Health Topics 
  • Epidemiology
  • Nutrition

Nutritional epidemiology, international health


Gorstein J, van der Haar F, Codling K, Houston R, Knowles J, and Timmer A. Performance of rapid test kits to assess household coverage of iodized salt. Public Health Nutrition(2016) May 11:1-13.

Newman LP, Njoroge A, Magaret A, Chohan BH, Gitomea VW, Wald A, Gorstein J, Overbaugh J, Wamalwa D, Maleche-Obimbo E, Nduati R, and Farquhar C. Sustained responses to measles revaccination at 24 months in HIV-infected children on antiretroviral therapy in Kenya. Pediatric Infectious Disease Journal (2016) Dec;36(12):1148-1155.

Pretell EA,Pearce EN, Moreno SA, Dary O, Kupka R , Gizak M, Gorstein J, Grajeda R, Zimmermann MB Elimination of iodine deficiency disorders from the Americas: a public health triumph. Lancet Diabetes Endocrinol.(2017) Jun;5(6):412-414.

Knowles JM, Garrett GS, Gorstein J et al. Household Coverage with Adequately Iodized Salt Varies Greatly between Countries and by Residence Type and Socioeconomic Status within Countries: Results from 10 National Coverage Surveys. Journal of Nutrition (2017) May;147(5)

Knowles J, Kupka R, Dumble S, Garrett GS, Pandav CS, Yadav K, Nahar B, Touré NK, Amoaful EF, Gorstein J. Regression Analysis to Identify Factors Associated with Household Salt Iodine Content at the Sub-National Level in Bangladesh, India, Ghana and Senegal. Nutrients. 2018 Apr 19;10(4).

Knowles J, Kupka R, Dumble S, Garrett GS, Pandav CS, Yadav K, Touré NK, Foriwa Amoaful E, Gorstein J. Regression Analysis to Identify Factors Associated with Urinary Iodine Concentration at the Sub-National Level in India, Ghana, and Senegal. Nutrients. 2018 Apr 21;10(4).