Whitley Comments John E. Whitley, who is performing the duties of director of the Office of Cost Assessment and Program Evaluation, speaks at the McAleese Defense Programs Conference in Washington, D.C., March. 4, 2020. SHARE IMAGE: Download Image: Small (0 KB)| Medium (122.88 KB)| Full Size (1.3 MB) Photo By: David Vergun, DOD VIRIN: 200304-D-UB488-006.JPG Photo Gallery