Dr . Zeina Ali Siam is a post-doctoral fellow at the Harvard Chan School of Public Health. Dr. Siam obtained her PhD in Population Health Sciences/Health Systems Track at Harvard University in 2019. Siam's interests are primarily in health behaviors. Her work is primarily focused on the Middle East, and also spans Africa and East Asia.

Siam obtained her Bachelors of Science in Biological Engineering from MIT in 2012, and her Masters of Science in Epidemiology from Harvard University in 2014. Prior to her PhD, Siam was a health systems officer at the World Health Organization.