Our Leadership


Wim Schouwenaar - CEO

There is no doubt our people are the key to our success. As a team, we share our core values and behaviors and each person at DHSS is valued as an individual. Together, we believe in providing a safe, diverse and positive working environment for all.

Along the years a lot of challenges have strengthen the firm, run by dedicated people, the most valuable source of DHSS.

As founder of DHSS, Wim brings over 30 years’ experience in the field of offshore energy logistics.

Tom Gravemaker - COO

Tom brings extensive experience of the offshore energy industry, nautical and project related in a career that spans more than 40 years in a number of roles. From client representative, warrant surveyor to senior expert in offshore drilling operations. Tom joined DHSS in 2018 as Operations Superintendent and is responsible for quality and safety aspects in the logistical assistance DHSS is providing to its customers. Next to this, he is responsible for the safe and efficient working procedures within all operational departments of DHSS.

As of his wide range of experience, Tom is the link between our internal organisation and our customers, inspiring our team and give them full support during the offshore energy transition.

His motto: “I don’t only like to play the game, I like to control it”.

Tonnie Schuijl - CCO

With more than 30 years of experience covering various management roles covering chemicals, waste management and renewable energy industries, Tonnie joined DHSS in January 2020. With his team player skills in coaching and communication as well as the QHSE and financial management background, Tonnie plays a key role in the growth of our business.

His leadership and focus is to fine tune our process management in which our operational staff is able to develop themselves, to reach the set goals and to further develop our business, gaining sustainable long-term relationships.

‘Only together we will achieve our goals’

DHSS is built on the belief that we challenge the norm through our five value propositions


Flip Box

As a family company, we pay high attention on behavior of our people, hence why we invest in their training and developments...

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To ensure that any work undertaken by our staff meets our client expectations, the following must be applied...

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DHSS is situated at key locations for the offshore energy industry, strategically based to provide logistic assistance...

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Compliance & Quality Programs

DHSS is committed to having an incident-free work environment, minimizing HSE risks to ALARP, delivering high quality services...

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Account Management

Going above and beyond the call of duty, is our success. With the extensive industry experience...

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These clients already make use of our strengths