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Core Team

Steven Cohen, DrPH, MPH, Assistant Professor
Phone: 617-636-0452

Steven received his Doctor of Public Health from the Johns Hopkins Bloomberg School of Public Health. His primary research interests include the demography of population aging in the US and its implications for health and health care utilization. He is currently researching vaccination patterns and sociodemographic factors that influence influenza dynamics in US seniors.
Siobhan Mor, BSc(Vet), BVSc, PhD, Research Assistant Professor

Siobhan is a Lecturer in Food security at the University of Sydney. She is a trained veterinarian and received her PhD from the Department of Public Health and Community Medicine at Tufts University School of Medicine. Her research interests include the epidemiology of tropical, emerging and zoonotic infectious diseases as well as global health.
Kenneth Chui, MS/MPH, PhD, Assistant Professor
Phone: 617-636-0853

Kenneth received his PhD degree from the Friedman School of Nutrition Science and Policy, Tufts University. His research interests include the relationship between extreme weather events and gastrointestinal diseases, application of geographic information system in nutrition research, and efficient graphical presentation.
Enku Kebede-Francis, PhD, Assistant Professor, Tufts University School of Medicine, Public Health and Community Medicine
Phone: 617-636-2714

Enku holds a PhD in biotechnological studies in agronomy (the impacts of technology, the science and economics of agriculture); MS in Environment and Development (environmental governance and development) and MA in Education. Her research interests focus on the prevention of non-infectious chronic diseases in developing countries, including diabetes, scurvy, and childhood blindness. She has extensive international experience: lived and worked in 10 countries; worked for various UN agencies including the UN Secretariat, UNDP, UNFPA and also served UNESCO as its goodwill representative in Croatia.
Ekaterina Naumova, Research Assistant

Currently working on a project entitled "Why do holidays make us sick?" as a preliminary study into the effects of globalization of food production and distribution, emergent salmonella, and the consequent relationship to public health.
Janet Forrester, PhD, Consultant
Phone: 617-636-2978

Dr. Forrester is an Associate Professor in the Department of Public Health and Family Medicine at Tufts University School of Medicine. Her current research is focused on infectious disease - nutrition interactions in HIV/hepatitis C co-infected drug abusers. She has conducted global health research on the epidemiology and transmission dynamics of parasitic infection in children and parasite-nutrition interactions.
Jeffrey Griffiths, MD, MPH&TM, Consultant
Phone: 617-636-6941

Dr. Griffiths is an Associate Professor at Tufts University School of Medicine and has extensive experience in international health work. Currently, he is conducting a study in Kenya concerning the biology and epidemiology of cryptosporidiosis and another project in Ecuador based on the use of micronutrients and vitamins in improving the immune systems of malnourished children.
Yuri Naumov, MD, PhD, Consultant
Phone: 508-856-2295

Dr. Naumov is a faculty member at the Department of Pathology, UMass Medical School. He has done extensive research in the field of Immunogenetics and is currently studying the mechanisms that define how cells are recruited for Ag elimination and how T cell memory compartment is created and maintained.