Roy Thewissen
Highest Degree Held: Ph.D.
Specialties: Chronic pain/fatigue, medically unexplained symptoms, stress and emotional problems
Types of Clients: Adults, Groups (group therapy)
Languages spoken: English, Nederlands
Licensures/Certifications: Psychologist
ACT/CBS Background and Training: I'm a psychologist and behavioral therapist working from a contextual behavioral science framework, applying principles of ACT, RFT and clinical behavioral analysis.
ACT/CBS Experience: 18 years