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Thomas Liska
GTT Europe Coordinator and Co-Founder of the Holotropic Association of Europe
Thomas Liska is the GTT Europe coordinator and, together with Sonja Busch, the founder of the Holotropic Association of Europe. He has extensive experience working in Ukraine, Slovenia, Slovakia, Hungary, Spain, the USA, the UK, Turkey, Israel, the Czech Republic, and Poland, and organizing workshops in Austria.
Born in Vienna in 1965, Thomas initially pursued a technical education before shifting his focus to (transpersonal) psychology and psychotherapy. He is trained in various psychotherapeutic schools and approaches, including systemic family therapy, psychosynthesis, sex therapy, and Psychodynamic Imaginative Trauma Therapy (PITT). He also holds academic degrees in Counseling, Coaching and Supervision, and Organizational Development and is a certified SoulCollage® facilitator.
Contact:
📞 +43 699 171 87 915
✉️ ThomasLiska@protonmail.com
Explore the healing potential of expanded states of consciousness through two Holotropic Breathwork sessions. Verbinde dich mit deiner inneren Weisheit und entdecke das transformative Potential der Holotropen Atemarbeit. Workshop in deutsch und englisch.
GTT Mandatory Module - THE POWER WITHIN - The Practice of Holotropic Breathwork. Taught by Sitara Blasco, 13th–18th April 2026 in Assisi, ITALY
GTT Mandatory Module - Music and Transcendence. Taught by Peter Köllerer, 29th June / 4th July, 2026 in Assisi, ITALY
A GTT module open to everyone — no prior experience in Holotropic Breathwork or Zen required, yet offering a profound and deeply experiential journey on the Buddhist perspective on expanded states of consciousness. The module led by Zen Buddhist Master Dokushō Villalba will take place in English and Spanish.
“Many of us spend our whole lives running from feelings with the mistaken belief that you cannot bear the pain. But you have already borne the pain. What you have not done is feel all you are, beyond that pain.” — Khalil Gibran
La respiración holotrópica se combina con las plantas maestras. Este retiro de 7 días y 6 noches integra la Respiración Holotrópica con prácticas chamánicas de una manera armoniosa e integradora, proporcionando una experiencia de sanación profunda.
GTT Module Holotropic Perspective On Psychedelics. Taught by Marc Aixalà | 9th-14th November 2026 in Assisi, ITALY
The Closing Certification Intensive marks the culmination and final stage of the Grof Transpersonal Training® Program in Transpersonal Psychology and the Holotropic Breathwork method. PLEASE REGISTER YOUR INTEREST AS SOON AS POSSIBLE.
Vienna Austria
Vienna Austria