Professor, Mailman School of Public Health, Columbia University
Les Roberts trained as a water engineer and as an epidemiologist. He worked with the Centers for Disease Control providing assistance in humanitarian emergencies before joining the International Rescue Committee where he was Director of Health Policy. He has led over 50 surveys in 17 countries, mostly measuring mortality in times of war. Dr Roberts has taught in more than 30 H.E.L.P. courses in Baltimore.
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