Seth M. Holmes, PhD, MD, is a cultural and medical anthropologist and physician whose work focuses broadly on social hierarchies and health inequalities. Dr. Holmes is Martin Sisters Endowed Chair Assistant Professor of Public Health and Medical Anthropology at the University of California, Berkeley.
Educated at Juilliard, Paul Costanzo brings the sensitivity and nuance of a classical music background to his twenty-five-plus years of voice acting, and AudioFile magazine has called his narration "superb."