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Season 1

Yishai Gaster (IL)

Yishai Gaster is an international Constellations trainer and facilitator since 2002 and founder of The Constellation’s Path – Institute for the Study of Systemic Constellations,  founded in Israel in 2006 and co-founder of ReMind – A Constellations based consulting agency for organizations. He has been practicing Systemic Constellations since 1996,

His organizational experience he gained from serving as a VP in Columbia Marketing, a major book company in the UK for over ten years and a consultant and trainer within the organizational field since 2007. He attended workshops and trainings with Bert Hellinger, Dr. Albrecht Mahr, Jan Jacob Stam and many more. 

His work with Systemic Constellations started in the UK in 1996 where as a young psychotherapist he saw Bert Hellinger, Father of Systemic Constellations, demonstrate his work.  

With between 80 to 100 trainees yearly, ISSCI, is a thriving community with diverse trainers and facilitators from different professional backgrounds and interests, who teach the constellation work in their own unique style while staying deeply connected with and inspired by the original teachings of Bert Hellinger . They develope niche application of the constellation work in fields such as: 

In Organizational Constellations: Constellations and HR, Constellations and Leadership, Constellations career, Constellations in Research and Development, and Constellations in resolving Organizational issues. 

Yishai carries on the constellation work in many fields, aspiring to continue, develop and promote Systemic Constellations work and thought in all its different aspects in different fields of society; from the caring professions to the organizational, the educational,  the political and the scientific fields. Continuing to research, develop and find new frontiers for the application of Systemic Constellations.


Tess is a leadership coach in cultural transformation and leadership development and author of “Harness – A systemic approach: guaranteed to revolutionise your coaching”

We’ll talk about Harness, the new book of Tess and how to use a systemic approach with teams and organizations

In December 2022, she released her first book “Harness” in which she explains a framework for systemic coaching. 

Tess is an ICF accredited leadership coach with over 25 years’ experience in cultural transformation and leadership development across a wide range of sectors. She has held a variety of commercial positions in preparation for her step through to senior HR roles, which have included board level responsibility. She is actively working with leaders, and leadership teams across the UK, Europe, Asia Pac, Middle East and the US. Tess lives in the UK with her family and a menagerie of pets, which include her herd of three horses. On occasion, these three geldings have been known to bring immense value to the coaching process!