Susan Adler: Certified as Physical Therapist at Northwestern University, Chicago, Illinois; Master of Science in Physical Therapy at the University of Southern California, Los Angeles; PNF education in 1962 at the Kaiser Foundation Rehabilitation Center in Vallejo, California Worked and taught with MaggieKnott; International PNF senior instructor of the IPNFA. Developed and led PNF courses in the USA and Europe
Dominiek Beckers: Master of Physical Therapy, Movement Science and Rehabilitation at the University of Leuven, Belgium in 1975; Physical Therapist at the Rehabilitation Center of Hoensbroek, The Netherlands since 1975; International PNF instructor since 1984; Instructor SCI Rehabilitation; Author of numerous books and articles
Math Buck: Certified as Physical Therapist at the Hoge School in Heerlen,The Netherlands in 1972; Physical Therapist at the Rehabilitation Center of Hoensbroek,The Netherlands, since 1973; International PNF instructor of the IPNFA since 1984. Currently a senior instructor and honorary member of the IPNFA; Co-author of numerous books and articles