Dr. Stergachis' research focus is pharmacoepidemiology, global drugs and vaccine safety, pharmaceutical outcomes research, and public health systems research. He directed a pharmacovigilance pregnancy registry study on the safety of first trimester antimalarials conducted in three sub-Saharan African countries. He is one of very few pharmacists ever elected to the National Academy of Medicine. His research has been supported, in part, by the Bill and Melinda Gates Foundation, USAID, the Barr Foundation, the Partnership for Quality Medical Donations, and USP.