Dr. Barrak is a physician from Kuwait and currently a PhD candidate in Population Health Sciences specializing in Environmental Health at the Harvard T.H. Chan School of Public Health, and a Mission Scholar from the Faculty of Public Health, Kuwait University.

He holds a medical degree from the University of Liverpool, United Kingdom, and a Master of Public Health (MPH) from the Johns Hopkins Bloomberg School of Public Health with a concentration in Global Environmental Sustainability and Health, and certificates in Environmental and Occupational Health and Risk Sciences and Public Policy. Barrak is studying the effects of climate change on population health in the Middle East, specifically the adverse impacts of dust storms and extreme temperatures with a special focus on the health of migrant workers as a vulnerable subpopulation.

His work on migrant workers was highlighted by the World Health Organization and a number of other local and international media reports. He has published many peer-reviewed articles on environmental health, risk assessment and environmental cardiology. Prior to his work at Harvard, he was a physician at the Directorate of Public Health, Ministry of Health, Kuwait, where he was overseeing environmental health initiatives, leading teams of public health inspectors and supervising environmental surveillance data.