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Managing Partner

Bart Kas founded Greenstar Capital after more than 5 years of experience in the real estate investment and trust fund sectors. Over the passed years he gained experience as Financial Account Manager for clients within the Oil, Gas & Renewable Energy sectors and as Real Estate Advisor Capital Markets, where he was engaged in analyzing, buying and selling processes and guiding real estate transactions. His experience in establishing investment funds has been a big asset to us.



Managing Partner

After more than 12 years of international experience in financial markets, Max founded Greenstar Capital. Max worked in the financial centres of Amsterdam, New York and Sao Paulo within banks and trading firms as a director, deskhead and trader. He is experienced in setting up and scaling trading desks for several asset classes, the last one being a successful carbon trading desk trading in EUAs, UKAs, CHUAs and VERs. Max brings considerable knowledge of the environmental commodity markets, general financial markets and its infrastructure to the table.



Commercial Director

As an Olympic and world speedskating champion, Koen knows what it takes to train and perform at an elite level. He set-up and ran a professional speedskating team. While training and competing, Koen arranged all matters on the management and funding side for his team. During his professional ice skating career, Koen also developed real estate and managed several marketing campaigns.
With his energy, ambition, entrepreneurial skills and winner mentality Koen represents exactly what Greenstar Capital stands for.

Joep is a senior banker and shipping executive with a wide range of leadership roles in shipping, the energy transition, and finance under his belt. 
Previously, Joep spent more than two decades with ABN Amro Bank, as Managing Director Global Transportation and Logistics and Country Executive Norway. 

The combination of Joep’s knowledge, network and his drive to implement innovative solutions for decarbonizing the shipping industry, make him an excellent addition to the Greenstar team

Joep focus lies on helping shipping companies to hedge and comply with regards to the EU ETS emission allowance regulations.


Senior Advisor

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