Remco van der Wijngaart works as a psychotherapist and supervisor and educator for CBT and schema therapy. From 1996 onward he participated in treatment research on the effectiveness of schema therapy for borderline personality disorders. Together with David Bernstein he provided trainings on schema therapy in the forensic setting. He gives trainings, lectures and supervision on schema therapy worldwide and he has several DVD projects in the field of schema therapy. Van der Wijngaart was vice-president between 2016 and 2018 of the ISST (International Society of Schema Therapy).