Prof. Dr. med. Dr. rer. nat. Christian Schubert

Prof. Dr. med. Dr. rer. nat. Christian Schubert is a physician, psychologist and psychotherapist. For more than 20 years he has been researching the correlation between psyche, brain and immune system. He is head of the Psychoneuroimmunology Laboratory at the Clinic for Medical Psychology at the Medical University of Innsbruck, and head of the working group “Psychoneuroimmunology” of the German College for Psychosomatic Medicine (DKPM). He is author of numerous highly regarded specialist publications. His research focuses on the development of a research approach for studying psychosomatic complexity.

Simone Westholt-Smith

Simone Westholt-Smith is an alternative practitioner of psychotherapy, supervisor and coach (ISC). She owns a practice in Frankfurt/Main: Peter Hess® Sound Massage, Sound Therapy, hypnosis, creative coaching, solution-oriented short-term therapy, and supervision. She is an authorised trainer in Peter Hess® Sound Massage and Sound Methods since 2009.

Juno Sommer

Juno Sommer is a registered nurse and nursing home director. She studied nursing care management. Extensive professional experience in care and nursing of the elderly and other people in need of care, with a focus on living with dementia. She is Peter Hess® Sound Expert for dementia, as well as founder and board member of “Wir Sind Altenpflege e.V” (“We are Elderly Care”). Lecturer and trained coach at the GAP project of the Federal Government’s Care Manager. She works nationwide, lives in Netphen, North Rhine-Westphalia.

Cordula Tolkmitt

Cordula Tolkmitt is an occupational therapist and has been working in her own occupational therapy practice since 1999, focusing on psychological-functional treatment. Specialised therapist for psychiatry and psychosomatics in occupational therapy, certified sensory integration therapist, gestalt therapist and instructor, trained in parts of concentrative movement therapy and body therapy. The body-oriented psychotherapeutic methods are based on Developmental and Depth Psychology mental models. In concentrative movement therapy and body therapy, perception and movement are the basis for acting, feeling and thinking. She is a trained Peter Hess® Sound Therapist since 2020.


Zeljko Vlahovic

Zeljko Vlahovic is an occupational therapist and a Peter Hess® Sound Educator. Since 2004 he is an authorized instructor in Peter Hess® Sound Massage and a lecturer for Sound Massage at various therapy-related further training institutes in Germany and abroad. He maintains his own practice in Goslar and is the contact person for the region East Lower Saxony / Harz / Kassel.