Thomas Liska

About

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

Thomas Liska

Upcoming Events (6)

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GTT CLOSING CERTIFICATION INTENSIVE 24th.August -5th. September 2025 in Italy/Assisi

2025-08-24 00:00:00


The Closing Certification Intensive marks the culmination and final stage of the Grof Transpersonal Training Program in Transpersonal Psychology and HOLOTROPIC BREATHWORK. 

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Holotropic Breathwork meets Master Plants, a GTT special retreat in Spain, 22th-28th of September 2025

2025-09-22 00:00:00


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.

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GTT Modul: Spiritual Emergency / Emergenza Spirituale, 24-29 November 2025 in Assisi/Italy

2025-11-24 00:00:00


Healing and transformation can sometimes imply challenging moments in which we feel destabilized, particularly when following a path that involves experiences in expanded states of consciousness. IT: La guarigione e la trasformazione possono talvolta comportare momenti di difficoltà in cui ci sentiamo destabilizzati, particolarmente quando si percorre un cammino che coinvolge esperienze in stati espansi di coscienza.

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GTT Mandatory Module - The Power Within, Italy, 2026

2026-04-13 00:00:00


GTT Mandatory Module - THE POWER WITHIN - The Practice of Holotropic Breathwork. Taught by Sitara Blasco, 13th–18th April 2026 in Assisi, ITALY

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GTT Mandatory Module - Music & Transcendence, Italy, 2026

2026-06-29 00:00:00


GTT Mandatory Module - Music and Transcendence. Taught by Peter Köllerer, 29th June –4th July, 2026 in Assisi, ITALY

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GTT Module Holotropic Perspective On Psychedelics, Italy 2026

2026-11-09 00:00:00


GTT Module Holotropic Perspective On Psychedelics. Taught by Marc Aixalà | 9th-14th November 2026 in Assisi, ITALY

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Location

Vienna Austria