Insoo Kim Berg co-developed the Solution Focused Brief Therapy and is the author of numerous books, translated in many different languages. A native of Korea and educated in the United States, she offered a balance between the Eastern and Western ways of finding solutions. She was an expert in working with “multi-problem” families, drug and alcohol abusers, the homeless and delinquent adolescents and their families. She was a clinical member and approved supervisor for the American Associating for Marriage and Family Therapy (AAMFT), an active member in the Wisconsin Association for Marriage and Family Therapy, the National Association of Social Workers and the Solution Focused Brief Therapy Association (SFBTA).  Insoo lectured worldwide.

Arnoud Huibers, Licensed psychologist, psychotherapist and systemic psychotherapist, founding member of the Association of Solution-Focused Professionals in the Netherlands (VOPN), founding member of the Academy of Solution-Focused Approaches and Research (ASFAR), member of the  Dutch Association of Psychologists (NIP), Psychotherapists (LVVP), Couples and Family Therapist (NVRG), Child- en Youth Therapists (VKJP) and EMDR-practitioners (VEN). He was trained at the University of Utrecht and completed his post-graduate degree, at the Academic Medical Centre of Utrecht, the Netherlands. He is currently a psychotherapist, in private practice, in Soesterberg, the Netherlands and trainer of the Solution Focused approach in the Netherlands, Europe, the Caribbean, India and China.