Les Roberts, PhD

Les Roberts, PhD, is a Professor Emeritus at Columbia University and has taken part in the field measurement of mortality in crises, including: Rwanda 1994, more than 30 health zones in the Democratic Republic of Congo 1999-2002, Iraq 2004, Zimbabwe 2007, the Central African Republic 2009, 2018, and 2022, and Sierra Leone 2000 and 2014. He was an EIS Officer in the CDC's Refugee Health Activity and was later the Director of Health Policy at the International Rescue Committee.