Nancy Leveson gained her degrees from UCLA, including her PhD in 1980. Previously she was based at University of California, Irvine and the University of Washington as a faculty member. She has studied safety-critical systems such as the Traffic Collision Avoidance System for the avoidance of midair collisions between aircraft and problems with the Therac-25 radiation therapy machine. Wikipedia*
On the C-SPAN Networks:
Nancy Leveson has three videos in the C-SPAN Video Library; the first appearance was a 2011 Forum. Most appearances with Michael R. Bromwich (2), Tad W. Patzek (2), Paul K. Siegele (2).