Medical Director Emerita
Penelope P. Ziegler, M.D., FASAM, is the former Medical Director and Chief Executive Officer of the Professionals Resource Network, Inc. (PRN). Before coming to PRN in July 2013, Dr. Ziegler was the Medical Director of the Virginia Health Practitioners’ Monitoring Program. She has worked in the addiction field since 1985, and been the Medical Director of several treatment and monitoring programs. She serves on the Board of Directors of the Federation of State Physician Health Programs. Dr. Ziegler is Board Certified in general and addiction psychiatry and in addiction medicine.