A physician and epidemiologist with over 25 years of experience researching injuries and violence prevention. He currently works at the Centers for Disease Control as Senior Scientist, at the Field Epidemiology and Prevention Branch leading the implementation of the Violence Against Children and Youth Surveys (VACS) in Latin America.

He is also a member of the Global Reference Group on Children Affected by COVID-19: Joint Estimates and Action. He earned a medical degree at the Universidad del Bosque, Bogota, Colombia (1991), an MPH from Emory University (1996) Atlanta GA, and a Ph.D. in epidemiology (2000) from the University of Washington, Seattle WA. He has worked at the World Bank, RAND Corporation, the University of North Carolina at Chapel Hill, the Geneva Cantonal Hospital, and the World Health Organization in Geneva, Switzerland.

His work on injury prevention and control includes research on violence against children, women, and youth, alcohol abuse and injuries, transportation safety, burn-related injuries, and occupational injuries. He has written several peer-reviewed publications, book chapters, and policy documents addressing violence prevention, injury surveillance, and prevention of unintentional injuries.