Julie Gerberding, first woman to lead CDC, to deliver address to returning alumni May 28, 2021 SHARE WHAT: Delayed by a year, students who graduated in 2020 will finally get their chance to experience the time-honored tradition of walking in their Washington University in St. Louis Commencement. The 2020 universitywide Commencement ceremony was canceled in the midst of the pandemic. The university recognized the Class of 2020’s graduation through online ceremonies and celebrations last May. WHO:Julie L. Gerberding, MD, the first woman to serve as director of the Centers for Disease Control and Prevention, will deliver the address to the returning graduates at each of the three ceremonies.