Willem-Jan S.
Chief Executive Officer @ Return
About
over 25 years of international experience in the sustainability and technology sector entrepreneur, a person who accelerates growth for technology ventures and assumes some accountability for the inherent risks
Netherlands
Amsterdam
Renewables & Environment
Venture Capital, Entrepreneur, Biomass, Corporate Finance, Renewable Energy, Business Strategy, Start-ups, Business Development, Business Planning, New Business Development, Energy, Marketing Strategy, Product Development, Strategic Planning, Sustainability, Solar Cells, Solar Energy, Solar PV, LED lighting systems, Gasification
Experience

Founding Partner
Amsterdam Area, Netherlands
Senior management at various energy, technology and investment companies. My experience stems back to 1998 when founded Plastcisplatform.com, later sold to McGraw-hill. For numerous years I have been founder and CEO of BackStream, a content management software company. (acquired by Ordina N.V. in 2005) After 2005 I have been involved in all kinds of investment management, venture capital and corporate finance projects for a large number of companies in Europe and the United States. My latest investments have all been related to solar energy, BESS and renewables.

Chairman
Marie Stella Maris Foundation
Amsterdam, North Holland, Netherlands
The Marie‑Stella‑Maris Foundation is dedicated to improving global access to clean and safe drinking water through sustainable WASH projects. Every purchase from the Marie‑Stella‑Maris brand contributes directly to funding these water, sanitation, and hygiene initiatives. Since its founding, the foundation has supported projects providing clean water access to around 135,000 people worldwide.
Willem-Jan S.'s Contact Information
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