"Digitization and globalization are shaping the framework for the entire HR services industry. Starting from recruitment, going into onboarding processes, further down to training on the job and information exchange among stakeholders: every single step already has been or will be digitized. As an agile, customer-focused and candidate-oriented HR services and outsourcing partner, we are excited about these developments, since our aim is to continue to be one of the market leaders in our industry. Our services are built on agility, transparency, flexibility and time to market approach. The majority of our core business solutions are already fully digitized, but digitization remains an ongoing journey for us. With the aim of making life at work easier for companies and candidates, our colleagues at Trenkwalder are committed to the highest level of customer satisfaction."  

Oktay Erciyaz, CEO

Oktay Erciyaz


Oktay Erciyaz was appointed as CEO of Trenkwalder Group AG in May 2017. Mr. Erciyaz has group-wide responsibility for sales, business development, digitization and change management.

Oktay Erciyaz has more than 26 years` executive experience in the international B2C and B2B fields. 

He held several senior management positions for various units of the Bertelsmann SE, like CEO positions in BeNeLux, Portugal and Turkey, as well as group-level Executive Vice President positions for corporate development and M&A.

Supervisory Board

Dr. Ernest-W. Droege

Chairman of the Supervisory Board

Walter P.J. Droege

Deputy Chairman of the Supervisory Board

Dr. Alexander Kaufmann

Member of the Supervisory Board

Jörg Kieborz

Member of the Supervisory Board

Evelyn Valentek

Member of the Supervisory Board, MBA

The Droege Group

Since 2011, Trenkwalder belongs to the Droege Group, based in Düsseldorf, Germany. Droege Group (founded in 1988) is an independent advisory and investment company under full family ownership. The company acts as a specialist for tailor-made transformation programs aiming to enhance corporate value. Droege Group combines its corporate family-run structure and capital strength into a family-equity business model. The group carries out direct investments with its own equity in corporate spin-offs and medium-sized companies in "special situations".

With the guiding principle "execution - following the rules of art", the group is a pioneer in execution-oriented corporate development. Droege Group follows a focused investment strategy based on current megatrends (knowledge, connectivity, prevention, demography, specialization, future work, shopping 4.0). Enthusiasm for quality, innovation and speed determines the company’s actions. In recent years, Droege Group has successfully positioned itself in domestic and international markets and operates in 30 countries.

Our Executives

Rahul Agarwal

Head of Online Marketing

Richard Erker

SVP Legal

Andreas Leitgeb

SVP Accounting

Michaela Meier

SVP EdTech & Mobile Learning

Karl Neumann


Ulrike Maria Pötscher

Head of Corporate Communications

Mladen Ristic

Head of Treasury

Maureen Talach

SVP Controlling

Hermann Wind

Head of Tax