ARTHUR E. JONGSMA, Jr., PhD, is Series Editor of the bestselling PracticePlanners®. He has over five decades experience providing mental health services to inpatient and outpatient clients. He has authored or co-authored over fifty books.
L. MARK PETERSON, ACSW, is Program Manager for Bethany Christian Services Residential Treatment and Family Counseling programs in Grand Rapids, Michigan.
WILLIAM P. McINNIS, PsyD, is a private practitioner with Aspen Psychological Services in Grand Rapids, Michigan. He is co-author of the Adolescent Psychotherapy Treatment Planner.
TIMOTHY J. BRUCE, PhD, is Professor Emeritus in the Department of Psychiatry and Behavioral Medicine at the University of Illinois College of Medicine.