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 200 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.

In doing so, we apply the Momentum model, in consideration of our social and financial objectives. When we see potential, we step in with a majority stake and build everything up to a higher level, relying on support at all levels – from funding to R&D locations, from researchers to top CEOs in the relevant field.

That is how we build opportunities to help a business achieve success in a short period of time, every time.

Creating value by solving big problems.


The Momentum Capital family consists of approximately 200 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

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

Joost Lok

Finance Manager

Isura Bendt

Contract support

Melany Blankendal

Accounting Officer

Legal & HR

Sandra Otten


Floor van Wingerden

Legal Counsel

Marloes Bootsman

Legal Counsel


Perpetual Next

Niels Wage


Rene Buwalda


Marcel Verhoeven

Chief of Staff

Martijn Dekker


Peter Tijl


Leisure & Holiday Parks

Martijn van Rheenen

Board Member

Robert Rosinski

Head of Operations

Wouter Dronkers

Sr. Finance Manager

Steve Van den Kerkhof

CEO Plopsa Group

Luc van der Biest

Director investments & constructions Plopsa Group

Sofie Billiauw

Finance Director Plopsa / Studio


Pieter Six


Anne Berends

Program Director Life Science

Marie Anne van de Haar

Program Director Materials

Joost Lok

Finance Manager


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.