Mark Vletter

Entrepreneur, champion of self-management.


Thinkers50 Radar Class of 2023. 


Voys has won 10 FD gazellen awards and been listed in the Deloitte Fast 50 four years in a row.


VoIPGRID has won five FD gazellen awards and multiple top 5 listings in the Deloitte Fast 50.


Vletter speaks and writes about entrepreneurship, leadership, tech trends, and cloud tools, as well as about manager-free ways of organizing and scaling companies, including holacracy. The common thread throughout his own organizations is equivalence, and this equality is reflected in how each organization is organized; all companies work without management, roles or functions, and are entirely self-managed. Other topics in Vletter’s focus include online privacy and net neutrality.


Vletter is the founder of several fast-growing companies including cloud telephony provider Voys, which serves over 15,000 businesses in over 55 countries; open source tech developer Spindle; the VoIPGRID telecom platform; and the foundation. He is a guest lecturer at Hogeschool Stenden, NHL, the University of Groningen (RUG), and Hanze University of Applied Sciences.


Multiple articles and columns including for leading Dutch news organization RTL and entrepreneurial sites such as mt/sprout nl. ‘7 lessons from Amazon’ (YouTube @MarkVletter, November 2022); ‘The metaverse is already here, you are just not using it’ (, 2022); ‘She should have gotten a Nobel Prize; he should have been the first black astronaut’ (, 2022); ‘Don’t molest freedom, protect her’ (,  2022).


Media picks



The metaverse it already here,
YOU are just not using it!


“Self-styled rebel with a cause.”

Stuart Crainer & Des Dearlove, Thinkers50

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