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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. We will celebrate our 80th birthday in 2013.

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 six people: the two members of the Executive 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.

Executive Board

Erno Kleijnenberg
With ONVZ since 2005. Was previously chairman of the management; is chairman of the Executive Board as of May 2009.

Jean-Paul van Haarlem
With ONVZ since 1999. Was previously Insurance Director; is on the Executive Board as of May 2009.

Division Managers

Paul Verkuijlen
With ONVZ since 2005. Was previously Claims Processing Manager; is Policyholders Division Manager as of May 2009.

Ine Zijlstra
With ONVZ since 2007. Was previously Health Care Manager; is Health Care Division Manager as of May 2009.

Kenneth Schuit
Kenneth started in 2010 with ONVZ. Previously he worked as director DBV Insurance Marketing Communications and Product Management at ABN AMRO, and in various management positions.

Henk Jan Maas
Since 2003, Henk-Jan has served as HR Manager. He worked as an officer with the Marine Corps and as a managing consultant at Hays and HR at Ernst & Young

Financial Director

Marco Saas
Financial Director at ONVZ as of 2008.


Tel +31 (0)30 639 62 22

Mon-Fri 08:30 - 21:00

Full contact details
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