Rollin is an accomplished musician, performing artist, teacher and innovator. One of the world’s leading authorities on overtone singing (also known as harmonic singing), he composed and produced 3 music CD’s and authored the Overtone Singing Study Guide. He has also studied Classical North Indian vocal music intensively.

He has contributed his scientific knowledge to academic establishments such as the American Laryngological Voice Research and Education Foundation and The Voice Foundation of Philadelphia, Pennsylvania, USA.

His media appearances are numerous, including several television appearances, radio interviews and feature articles in publications such as the Evening Standard and Men’s Health magazine.

Rollin has taught overtone singing worldwide in holistic health venues such as Esalen Institute. He has lived and worked in the USA, The Netherlands, Germany, The United Kingdom and Spain. His native language is English and he also speaks Dutch, German and basic conversational Spanish.

He is Director of Creativity and Innovation for Abundant Sun Limited, a consultancy and educational organisation specialising in diversity and corporate social responsibility.

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