James Bullock

University of Southern California

James Bullock is the 23rd dean of the USC Dornsife College of Letters, Arts and Sciences. He holds the Anna H. Bing Dean’s Chair and a faculty appointment in the Department of Physics and Astronomy. Before joining USC in 2025, Bullock was Dean of the School of Physical Sciences at UC Irvine, where he oversaw the departments of chemistry, earth system science, mathematics, and physics and astronomy. Bullock is also an accomplished astrophysicist who combines analytic models, supercomputer simulations, and sophisticated observation technology to explore galaxy formation, dark matter, and fundamental questions about the nature of the universe. He has authored or co-authored nearly 400 scholarly papers, reflecting his multiple distinctions as a Web of Science “Highly Cited Researcher in Space Science.”