Rochelle Walensky led federal health agency during COVID-19 pandemic.

Rochelle Walensky answers questions during a Q&A session moderated by George Q. Daley, right, after delivering the annual Kantoff-Sang Dean’s Lecture. Image: Channing Johnson
Mark S. Hughes and Delia N. Sang enjoy the lecture. Image: Channing Johnson
Rochelle Walensky chats with lecture attendees at a reception in the Tosteson Medical Education Center atrium. Image: Channing Johnson
Delia N. Sang, center, with Philip Kantoff and his wife, Lorelei Mucci. Image: Channing Johnson