Introducing Colbe

We’re building a better future for health and wellbeing by connecting expertise, technology, and people across the Netherlands and beyond. Our integrated approach transforms how organisations support their employees.

Leadership

Our Leadership

Our executive team brings together decades of experience from healthcare, business, and academia to drive Colbe's vision forward.

Bas Tomassen

Bas Tomassen

Chief Executive Officer

Bas has a background in Commercial Engineering and Change Management, with experience at KPMG as a consultant and project manager. He founded Ergatis and Sitagre – now part of Colbe – and has led the network as CEO since 2020.

Peter van Maris

Peter van Maris

Chief Finance Officer

Peter began his career at KPMG after studying Accountancy at the Vrije Universiteit Amsterdam, becoming a partner in 2007. He’s been CFO of Colbe since 2012 and brings a strong entrepreneurial drive, turning ideas into profitable businesses.

Rita Zijlstra

Rita Zijlstra

Network director

Rita holds a PhD in Orthopedagogy and has a background in Clinical Neuropsychology as well as Business Administration, and Business & IT. Rita holds academic roles as well as being a published author, and focuses her work on the urgent but overlooked theme of remaining mentally health in an increasingly digital world.

The Colbe Network
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Our extensive network includes specialised companies that have deep expertise in their area, and can be combined to deliver a custom wellbeing solution for your organisation.

Arbode

Advice on work conditions & quality

Brout

Leadership development & coaching

Cohesie

Occupational health services for corporate multinationals

De Nieuwe Arts

Occupational health services for modern businesses

Ergatis

Occupational health advice for complex absenteeism

Endit

Career coaching & reintegration support

Falke & Verbaan

Behavioural & cultural change within organisations

Gimd

Mediation & coaching for healthy work balance

Human Company

Organisational psychology for critical businesses

Imindlife

Versatile life counselling

Liberi

Stress management through walking coaching

Margolin

Occupational advice for sustainable employability

Omwender

Organisational risk reduction & strengthening

P5Com

Organisational advice and effectiveness

Shared Ambition

Psychological interventions & training

Skils

Psychological support for work issues

TrueTribe

Digital wellbeing platform for the network

Yet

Single-session therapy on demand

ZekerArbo

Occupational health services for SMBs

Zorg van de Zaak

Occupational health services for large businesses

How we thriveColbe Icon

At Colbe, we believe work should help people thrive not just survive. That’s why we’re building workplaces where happiness, healthiness and progress go hand-in-hand. We’re not here to tick boxes, we’re here to make a difference; in ourselves, in each other, and in the world around us. This is how we work, grow, and thrive, together. What thriving looks like at Colbe?

Opportunities

Careers at Colbe

Join our team of passionate professionals working to transform workplace wellbeing. At Colbe, you’ll be part of a supportive network where innovation is shared, growth is encouraged, and your work makes a meaningful impact on countless lives.

Find your next opportunity