The Team of Adventure Therapy Institute

Alexander Rose is a clinical psychologist, clinical psychotherapist, and sports scientist with master’s degrees in Health Psychology and Drug Counselling. Since 2000, he has been working with groups in natural environments, mainly with adolescents at risk and young adults, integrating experiential, nature-based, and adventure-oriented therapeutic approaches.

Since 2008, he has played a key role in introducing and developing Adventure Therapy in Spain. He is the founder and general director of Terapia Aventura (Valencia). His contributions include international teaching, the development of therapeutic programs for youth mental health and addiction, and authorship of the first Spanish-language book on Adventure Therapy.

Alexander is active in European and international networks such as ATE and ATIC and continues to advance the professionalization of Adventure & Nature Therapy across Europe.

Christiane Thiesen is a certified Social Pedagogue and Supervisor (DGSv). She works at the intersection of nature, psychotherapy, and health promotion and is regarded as one of the pioneers of Adventure & Nature Therapy in German-speaking countries.

Her professional background includes Supervision and Coaching (DGSv), Disability Management (CDMP), Psychotraumatology, Attachment-based counseling (BBT, Brisch), and Forest Health Training.

She holds the certification “Erlebnispädagoge be®” certified by the German Federal Association for Individual and Experiential Education (Bundesverband Individual- und Erlebnispädagogik e.V.) and in recent years founded the association’s adventure therapy specialist group, where he remains a member of the management team to this day.

She teaches internationally, develops training curricula, and supports professionals in integrating nature-based methods into therapeutic and educational practice.

Alexander Rose is a clinical psychologist, clinical psychotherapist, and sports scientist with master’s degrees in Health Psychology and Drug Counselling. Since 2000, he has been working with groups in natural environments, mainly with adolescents at risk and young adults, integrating experiential, nature-based, and adventure-oriented therapeutic approaches.

Since 2008, he has played a key role in introducing and developing Adventure Therapy in Spain. He is the founder and general director of Terapia Aventura (Valencia). His contributions include international teaching, the development of therapeutic programs for youth mental health and addiction, and authorship of the first Spanish-language book on Adventure Therapy.

Alexander is active in European and international networks such as ATE and ATIC and continues to advance the professionalization of Adventure & Nature Therapy across Europe.