Elizabeth S Foster Author

David Black, PhD, MPH, HSPP, CHES, CPPE, FASHA, FSBM, FAAHB, AAHE is Professor of Public Health at Purdue University and President Emeritus of the National Peer Helpers Association (NPHA) and Treasurer of the National Association of Peer Program Professionals (NAPPP).

Elizabeth S. Foster, EdD, is a professor in the Department of Educational Leadership at the University of North Carolina Wilmington and President Emeritus of the National Peer Helper Association (NPHA).

Judith A. Tindall, PhD, is president of Psychological Network Inc., a full service psychological group in St. Charles, Missouri, and President Emeritus of the National Peer Helpers Association (NPHA) and President of the National Association of Peer Program Professionals (NAPPP).