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We connect people around Europe

Board of directors

We connect people around Europe.

Steijn Ribbens – CEO

Steijn Ribbens is the Chief Executive Officer of Kadans Science Partner, responsible for leading the company’s strategic vision and overseeing all operational activities across its European portfolio. With a strong background in investment banking, Steijn combines financial expertise with a deep understanding of the science and innovation real estate sector. 

As Chief Investment Officer, Steijn played a key role in Kadans’ international expansion across European innovation clusters, strengthening the company’s position as a leading developer, owner, and operator of specialised real estate for the life sciences and R&D sectors. As CEO, he remains focused on driving sustainable growth, fostering long-term partnerships, and delivering environments that enable innovation and collaboration to thrive. 

Sindy van Hooijdonk – CFO

Sindy van Hooijdonk is CFO of Kadans Science Partner

For the first twelve years of her career, Sindy developed into an all-round chartered accountant at KPMG. It was here that she developed her love for real estate. In this capacity, Sindy came to know Kadans as a distinctive player that offers more than just housing solutions. Focus and dedication are her driving forces.

Michel Leemhuis – Executive Chairman Management Committee

Michel Leemhuis is the Executive Chairman Management Committee of Kadans Science Partner.  He focuses primarily on continuing to drive growth and managing key ecosystem stakeholders including occupiers, partners, educational establishments such as universities, as well as government and trade bodies. 

Before joining Kadans at the end of 2005, Michel Leemhuis had a background in banking and gained years of experience advising companies and institutions on investment issues and financing. As the former Chief Executive Officer of Kadans Science Partner, his leadership was instrumental in Kadans’ international expansion across Europe’s innovation ecosystems, reinforcing the company’s reputation as a premier developer, owner, and operator of specialised real estate for the life sciences and R&D sectors

Steijn Ribbens is the Chief Executive Officer of Kadans Science Partner, responsible for leading the company’s strategic vision and overseeing all operational activities across its European portfolio. With a strong background in investment banking, Steijn combines financial expertise with a deep understanding of the science and innovation real estate sector. 

As Chief Investment Officer, Steijn played a key role in Kadans’ international expansion across European innovation clusters, strengthening the company’s position as a leading developer, owner, and operator of specialised real estate for the life sciences and R&D sectors. As CEO, he remains focused on driving sustainable growth, fostering long-term partnerships, and delivering environments that enable innovation and collaboration to thrive. 

Sindy van Hooijdonk is CFO of Kadans Science Partner

For the first twelve years of her career, Sindy developed into an all-round chartered accountant at KPMG. It was here that she developed her love for real estate. In this capacity, Sindy came to know Kadans as a distinctive player that offers more than just housing solutions. Focus and dedication are her driving forces.

Michel Leemhuis is the Executive Chairman Management Committee of Kadans Science Partner.  He focuses primarily on continuing to drive growth and managing key ecosystem stakeholders including occupiers, partners, educational establishments such as universities, as well as government and trade bodies. 

Before joining Kadans at the end of 2005, Michel Leemhuis had a background in banking and gained years of experience advising companies and institutions on investment issues and financing. As the former Chief Executive Officer of Kadans Science Partner, his leadership was instrumental in Kadans’ international expansion across Europe’s innovation ecosystems, reinforcing the company’s reputation as a premier developer, owner, and operator of specialised real estate for the life sciences and R&D sectors

Executive team

The key to a successful science cluster is the presence of economic, physical and network drivers.

James Sheppard is the International Head of Asset Management of Kadans Science Partner
James Sheppard International Head of Strategy and Business Development Corporate
Chiel van Dijen is the International Head of Development of Kadans Science Partner
Chiel van Dijen International Head of Development
Joost van de Rakt is the International Head of Realisations of Kadans Science Partner
Joost van de Rakt International Head of Construction and Property Management
Marcus Fernhout is the International Head of Operations for Kadans Science Partner
Marcus Fernhout International Head of Commerce

Country leads Development and Asset managment

The key to a successful science cluster is the presence of economic, physical and network drivers.

Johan van Gerven is the Head of Development for Kadans Science Partner in The Netherlands
Johan van Gerven Country Lead Development The Netherlands
Reinoud van den Heuvel is the Head of Asset Management for Kadans Science Partner in the Netherlands
Reinoud van den Heuvel Country Lead Asset Management The Netherlands
Edward Joslin is the Head of Development for Kadans Science Partner in the UK and Ireland
Edward Joslin Country Lead Development & Construction United Kingdom
Mark Hanna is the Head of Asset Management for Kadans Science Partner in the UK and Ireland
Mark Hanna Country Lead Asset Management United kingdom
Elsa Ferrard Country Lead France France
Markus Scheja is the Managing Director of Kadans Science Partner GmbH Germany
Markus Scheja Managing Director Germany
Miguel Muñoz Padellano is the Head of the Spanish department of Kadans Science Partner
Miguel Muñoz Padellano Development Director Spain

Want to learn more about the individuals driving Kadans’ success?

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