Thomas Liska

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

Upcoming Events (4)

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

Nov 24, 2025


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

Apr 13, 2026


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

Jun 29, 2026


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

Nov 09, 2026


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

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Vienna Austria

Vienna Austria