Hanne Ihlen
Hanne Ihlen is a registered MA Dramatherapist, Clinical Supervisor, Schema Therapy Supervisor, and internationally certified Therapeutic Spiral Model (TSM) Trainer based in the Netherlands. With over 28 years of experience in mental health services in both the UK and the Netherlands, she specialises in trauma-informed, experiential approaches to therapy, training, and supervision.
Hanne delivers TSM psychodrama trainings, workshops, and presentations internationally, both online and in person, and supervises trainees within the international TSM certification programme. Her work integrates dramatherapy, schema therapy, Polyvagal Theory, ACT, narrative approaches, and creative arts therapies to support safe and effective trauma treatment.
Known for her warm, creative, and experiential teaching style, Hanne creates learning environments that balance safety with spontaneity. Her workshops combine theory with embodied, action-based learning, enabling professionals to deepen clinical skills, strengthen therapeutic presence, and confidently integrate experiential methods into their own practice.
Ina Hogenboom
Ina Hogenboom is a registered psychologist (NIP) in the Netherlands, a Trainer, Educator and Practitioner (TEP) in psychodrama, and an international trainer in the Therapeutic Spiral Model (TSM). She combines extensive clinical experience with trauma-informed action methods, helping therapists work safely and effectively with trauma in psychodrama and dramatherapy.
Ina trains psychodramatists internationally, leads TSM workshops worldwide, and supervises therapists within the international TSM certification programme. She also authored a chapter on projective identification in the latest TSM book, reflecting her expertise in this clinically important area.
Known for her warm, clear, and experiential teaching style, Ina creates a learning environment where participants don't just learn about trauma-informed practice—they experience it. Her workshops combine theory and experiential learning, offering practical interventions, immediately applicable tools, and a deeper understanding of projection, embodiment, role development, containment, and post-traumatic growth.