Supervisory Board

  • Dr. Rudolf Wehrli (Chairman)
  • Phillip Mueller (Member)
  • Raphael Mueller (Member)
  • Franklin H. Smith (Member)
  • Manfred Klingenberg (Employee Representative)
  • Udo Pinkes
    (Employee Representative)
Harald Biederbick, CEO of the Board at the RKW Group

Harald Biederbick


With a background in finance and controlling, Harald Biederbick has been CEO of the RKW Group since 2014. Leveraging more than ten years of board level experience in cross-sector, multi-national companies, he has successfully driven strategic change processes and complex business turnarounds resulting in bottom-line growth. In addition, he oversaw multiple international end-to-end M&As (Europe and North America) including raising of funding.

After studying in Cologne, Paris, Oxford and Berlin, Harald completed a degree in business administration. He started his career in banking and then moved into the automotive industry, working both in Germany and the US. He joined RKW in 2007 as Director Corporate Finance & Administration and was appointed CFO in 2009.


Roger Chantillon

Executive Vice President

Previous to joining RKW in 2019 as Executive Vice President Sales & Marketing, Roger Chantillon focussed on successfully building profitable, high growth businesses in the chemicals industry. As a Senior Executive, he has taken on various VP of Global Sales and GM of BUs roles, both on a regional and global level.

Being an authentic, passionate and result-oriented relationship builder with a strong expertise in transforming sales organizations into high performing teams, Roger continuously works towards implementing a commercial excellence model and executing a selling approach closely aligned with a market-faced, customer-focused marketing & margin strategy.

As an active Executive Board Member, he is committed to securing the long-term company vision and business strategy while simultaneously striving for innovative, sustainable and profitable growth.


Knud Müller

Executive Vice President

As Executive Vice President (CFO), Knud Müller assumed responsibility for all Finance related matters on the RKW Executive Board in April 2021.

The Finance MBA joined us from the US-based Danaher Corporation, where he held a number of management positions in both Germany and the United States since 2007. Prior to that, Knud Müller worked at the Siemens Group for more than ten years in various international positions.

In his new role, the finance expert is focusing on driving transparency, ownership, focus and continuous improvement while continuing the profitable growth course of the RKW Group.


Dr. Alexander Wansel

Executive Vice President

Spending almost his entire career as executive leader in the operations of process and packaging industries, Dr. Alexander Wansel joined RKW in 2020 as Executive Vice President Operations.

With a PhD in production engineering from Darmstadt University of Technology, he co-founded a start-up and worked in different management roles in Europe and South America, frequently mentoring and developing young talent.

With a strong focus on quality, service and cost, Dr. Wansel has successfully implemented global Operational Excellence programs and embedded the lean philosophy as sustainable driver for a company’s competitiveness.