Blair Johnson Wylie, MD, MPH, is the Founding Director of The Collaborative for Women's Environmental Health at Columbia University and the Virgil G. Damon Professor of Obstetrics and Gynecology at Columbia's Vagelos College of Physicians and Surgeons. She also serves as the obstetric consultant to Region 1's Pediatric Environmental Health Specialty Network (PEHSU). Dr. Wylie received her bachelor's degree from Princeton University and her medical degree from Harvard Medical School. She studied epidemiology at the Columbia University Mailman School of Public Health, where she received her master's in public health. She completed her residency in Obstetrics and Gynecology at the University of Washington Medical Center and a fellowship in Maternal-Fetal Medicine at Columbia University.

Dr. Wylie's clinical practice encompasses the full range of maternal-fetal medicine, including prenatal diagnosis and ultrasound, high risk obstetric conditions, caring for pregnant women hospitalized during pregnancy, and deliveries. She also offers women and their families consultation about how environmental exposures can impact the health of pregnancy and the developing fetus.

In addition to her clinical and administrative roles, Dr. Wylie conducts research with a focus on global maternal/child health, with a particular interest in environmental exposures during pregnancy in international settings, such as smoke from cooking fires, pesticides from subsistence farming, and climate-related factors like heat and air pollution. She has ongoing projects in Ghana, Tanzania, Pakistan and India. She is co-Principal Investigator for Columbia University/Aga Khan University Research Unit in the Eunice Kennedy Shriver National Institute of Child Health and Human Development's Global Network for Women's and Children's Health Research. She previously chaired the Society for Maternal-Fetal Medicine's Global Health Committee and now chairs the Foundation for SMFM's Queenan Fellowships for Global Health. Additionally, she recently completed a three-year term on the Board for the Society for Maternal-Fetal Medicine.