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Who we are

History: nothing but health insurance policies

ONVZ has always and only ever been a health-care insurer. That is our strong point. The company was set up in 1933 as the Onderlinge Nationale Verzekering tegen Ziekenhuiskosten.

The organisation grew considerably in 2006, when we took over the health insurance portfolios of Allianz Nederland, Nationale-Nederlanden, Aegon and VvAA. We still provide Aegon and VvAA insurance policies under the previous insurer’s name.

Over time, ONVZ has built up a good reputation as an innovative and capable health-care insurer, which is independent and has a sound position on the market. Our main goal is to look after people’s health. This notion is shared by all of the more than 400 ONVZ employees. It’s with good reason that we have often been voted the Netherlands' “best health-care insurer”.

Organisational structure: customer-oriented

All our thoughts and actions have a customer-oriented foundation. We want to provide our customers with optimal support with their health-care and familiarise them with the available options.

This is also reflected in the structure of our organisation. Our management team consists of the two members of the Management Board, three division managers and the financial director.

ONVZ is divided into three divisions that focus on different customer groups: Policyholders, Health-Care (focus on health-care providers and purchasers) and Commerce (focus on insurance advisers). Our size allows us to deliver both tailored-made as well as large-scale performances. We are practical and fast, but also analytical and innovative.

Supervisory Board

Prof. L. J. Gunning-Schepers, acting chair
Louise Gunning-Schepers is a university professor of Health and Society at the University of Amsterdam. In addition, she chairs the supervisory board of Schiphol Group, and is a Crown-appointed member of the SER (Social and Economic Council of the Netherlands) and chair of the Nationale Wetenschapsagenda (National Science Agenda).
E. W. (Edgar) Koning
Edgar Koning is the Chief Investment Officer and a member of the management team of AEGON Nederland. He is also a member of the supervisory board of the Nederlands Dans Theater.
W. (Willem) Geerlings
Willem Geerlings trained as an internist and has been a manager running various teaching hospitals and top general hospitals. His current roles include chairing the supervisory board of the VUmc medical centre in Amsterdam and the board of RijnmondNet. He is also a member of the supervisory board of NIVEL (the Netherlands Institute for Health Services Research).

Management Board

J. P. A. (Jean-Paul) van Haarlem, chair
Jean-Paul van Haarlem (born 1964) has worked for ONVZ Zorgverzekeraar since 1999. Before that he worked as an accountant for KPMG.

Jean-Paul van Haarlem is a member of the boards of Zorgverzekeraars Nederland and VRZ (association of Dutch QA insurers) and is a member of the supervisory board of Multizorg VRZ.

I. (Ivo) van Dijk
Ivo van Dijk (born 1967) has worked for ONVZ Zorgverzekeraar since 2015. Prior to that, he was the general manager of SOS International and director of Health-Care Plans at ASR.

Ivo van Dijk is a member of the Insurance and Implementation steering committee for Zorgverzekeraars Nederland and the management board of VRZ, and is also secretary of the Vereniging Vrienden van het Elisabeth Weeshuis.

Management team

In addition to the members of the Management Board, the ONVZ management team consists of:

H. J. (Henk-Jan) Maas, HR Manager
Henk-Jan Maas (born 1967) has worked for ONVZ since 2003. Before that, Henk-Jan was an officer in the Netherlands Marine Corps and a managing HR consultant with Hays and Ernst & Young.
M. (Marco) Saas, Director of Finance, IT and Facilities
Marco Saas (born 1969) has worked for ONVZ since 2008. Marco came across from Azivo Zorgverzekeraar where he held the position of Controller, as well as being a member of the board team.
K. S. (Kenneth) Schuit, Commercial Director
Kenneth Schuit (born 1969) has worked for ONVZ since 2010. Prior to that, Kenneth worked for DBV Verzekeringen as the director in charge of Marketing, Communications and Product Management and for ABN AMRO in various management positions.
P. S. W. (Paul) Verkuijlen, Insured Persons Division Manager
Paul Verkuijlen (born 1967) has been employed by ONVZ since 2005 and has been the Insured Persons Division Manager since May 2009. Paul previously worked for Erico as a Customer Services Manager.

I. (Ingrid) Castricum, Acting Manager of the Health-Care Division
Ingrid Castricum has been working for ONVZ since 2015 as the Health-Care Division Manager. Ingrid was previously employed by Multizorg VRZ.


Tel +31 (0)30 639 62 22

Mon-Fri 08:30 - 21:00

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