Jonathan Foulds Author

Jill M. Williams, M.D., is a Professor of Psychiatry and Director of the Division of Addiction Psychiatry at the Rutgers University–Robert Wood Johnson Medical School in New Brunswick, New Jersey.

Jonathan Foulds, Ph.D., is a Professor of Public Health Sciences and Psychiatry and Co-director of the Penn State Center for Research on Tobacco and Health at Penn State University College of Medicine in Hershey, Pennsylvania.