Todd is a Senior Epidemiologist in Epicentre's Department of Research (DR), with a focus on clinical trials. He currently leads 2 trials in Chad, evaluating optimal implementation of the R21/Matrix-M malaria vaccine, and 2 projects in Niger investigating the impact of the new Men5CV vaccine which protects people against five serogroups of the meningococcus bacteria. Todd is also the Epicentre focal point for Environmental Health, based in the Département épidémiologie interventionnelle et formation (DEIF).
Todd attained his PhD (Tropical Medicine and Epidemiology) from the University of Liverpool (UoL) in 2021, while working as a Senior Investigator based in Malawi with his family. Prior to pursuing a PhD, he worked 12 years as an Laboratory specialist and epidemiologist with Médecins Sans Frontiers (MSF-OCA) and Médecins du Monde (MDM-France), including 7 years as field epidemiologist (DRC, South Sudan, Zimbabwe, Nigeria) and as Senior Health Advisor (MDM) and emergency/outbreak epidemiologist (MSF) during headquarter postings in Paris and Amsterdam.
Prior to his 20+ years in infectious diseases epidemiology, Todd trained in the field of forestry and natural resource conservation. Todd lived in coastal northern California, teaching field biology at an independent secondary school and leading a number of local environmental campaigns. One of these led to the 1999 creation of the Headwaters State Forest Reserve along California’s Redwood Coast.