Our Leadership Team

With reliable, transparent, and digitally supported processes, we reduce our customers' effort and create a seamless experience and meaningful added value throughout the audit process. Together with our employees and auditors in around 60 countries we develop innovative solutions and digital tools to ease the work for our customers without diminishing the quality of our certification. We offer our customers the experience of eureka moments, both in the audit process and in the result.    
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Ingo M. Rübenach
CEO
Shapes the strategic direction of DQS with a focus on growth, people & organization, and digital transformation. Working closely with his teams, he drives innovation and customer excellence, building the foundation for a company that is resilient, future-ready, and positioned for global leadership.
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Markus Ritzauer
CFO
Leads DQS’s financial strategy with a focus on transparency, efficiency, and sustainable growth. Together with his teams, he strengthens governance and operational excellence—foundations that help ensure DQS remains resilient, future-ready, and globally competitive.

Global Business Divisions

We concentrate our competencies into the hands of our experts for sustainability, medical devices and information & data security in our three Global Business Divisions.
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Frank Dorssers
Global Business Division Sustainability
Sustainability is a strategic priority at DQS. Our Global Business Division Sustainability drives global expertise and service development to meet rising market and regulatory demands.
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Heinrich von Mettenheim
Global Business Division Medical Devices
We concentrate our greatest expertise in the certification and notification of management systems and products for the medical industry here.
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Christian Gerling
Global Business Division Information & Data Security
For the security of our customers, DQS offers certification products in the field of information and data security standards.