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Thodoris Papagiannis

Thodoris Papagiannis

CEO - Owner | SUMMIT Team Building & Training
Thodoris Papagiannis started his career as a lawyer — then chose mountains over courtrooms, and never looked back.
General Manager and co-founder of Summit, he trained as a facilitator at Outward Bound (UK), is a certified Executive Coach from the Human Development Institute of London, and one of the founding members of the Hellenic Coaching Association (HCA). Since 1997, he has been a certified climbing instructor at the Hellenic Mountaineering & Climbing Federation.

With over 25 years of experience designing and implementing GrowPlay® development programs, he has worked with more than 80,000 corporate participants across Greece, Europe, and North Africa — for mid-size, large, and multinational companies.
A sought-after speaker on corporate culture and team performance, Thodoris challenges organizations to stop blaming their people and start examining their systems. His talk "Corporate Culture: The Ugly Truth" cuts through the noise with one sharp message: culture is not what you say — it's what your system forces people to do.

True to his nature, he keeps his adrenaline levels high: skydiving, mountain biking, and mountaineering expeditions to the Himalayas, the Andes, the Alps, and Antarctica are all part of his story. His favorite office? A mountain peak. His greatest achievement? The thousands of teams he has helped grow, connect, and perform — one experience at a time.