These guidelines were developed by the APA Task Force on Guidelines for Assessment and Treatment of Persons with Disabilities. The task force members included Kurt F. Geisinger, PhD (University of Nebraska, Lincoln, Nebraska); Kay Kriegsman, PhD (independent practice, Bethesda, Maryland); Irene W.

Leigh, PhD (Gallaudet University, Washington DC); Elina Manghi, PsyD (Adler School of Professional Psychology, University of Illinois at Chicago, Chicago, Illinois); Izabela Z. Schultz, PhD (University of British Columbia, Canada); Tom Seekins, PhD (University of Montana, Missoula, Montana); and Greg Taliaferro, PhD (Cincinnati Psychoanalytic Institute). Workplace Wellness Programs Statistics Help. Schultz and Taliaferro were the Task Force co-chairs. The task force wishes to acknowledge Izabela Schultz, PhD for her foresight regarding the need for guidelines and for initiating their careful development. Approximately one in five Americans or roughly 50 million Americans are currently living with a disability (U.S.