Creating Pioneers

Who we are

Momentum Capital is an entrepreneurial investor incorporated by Martijn van Rheenen in 2005. We have incorporated several international companies with a combined value of around €750 million (enterprise value). About 300 people work within the group.

Vision and mission

Momentum Capital is convinced that money can contribute towards a better world. That’s why we invest in companies and provide solutions in the field of climate change and leisure.

Creating value by solving big problems.


The Momentum Capital family consists of approximately 300 employees in the Netherlands and around the world, with about 15 of them working at our head office in Amsterdam. 


Martijn van Rheenen

Founder / Board member

Kevin Ho

Board Member

Investor relations

Christian Gyasi

Investor Relations

Onno van Rheenen

Investor Relations

Paul van Griethuysen

Investor Relations

Ramón Boekhoff

Investor Relations

Joost Oostveen

Head of Investor Relations

Office Management

Vanee van Laar

Office Manager


Roy Mantel

Corporate Communication & Researcher


Rory van ‘t Schip

Head of Finance & Control

Arjan Bomkamp

Corporate Finance

Isura Bendt

Contract support

Melany Blankendal

Accounting Officer

Legal & HR

Lloyd Denswil


Sandra Otten



Perpetual Next

Erik Huis

Chairman of the Board of Directors

Rene Buwalda

CEO Bio-Conversions & Developments

Leisure & Holiday Parks

Martijn van Rheenen

Board Member

Robert Rosinski

Head of Operations

Wouter Dronkers

Sr. Finance Manager

Steve Van den Kerkhof

Luc van der Biest

Director investments & constructions Plopsa Group

Sofie Billiauw

Finance Director Plopsa / Studio


Marcel Verhoeven

Chief of Staff

Pieter Six


Anne Berends

Program Director Life Science

Marie Anne van de Haar

Program Director Materials


Gilda Amaya

Asset Manager

Tomas Gasset

CEO Partner Urbania International

Business partners

Below you will find a number of companies and (government) bodies with which Momentum Capital has joint ventures; invests together; is subsidized; has set up strategic partnerships or is advised by.