Executive and Supervisory Board
Dr Stephan Glander is CEO of Biesterfeld AG since April 2023. Dr Glander, who holds a doctorate in chemistry, has many years of experience in top positions in the chemical industry. Before joining Biesterfeld, he was CEO of BYK, a leading global supplier of specialty chemicals and a subsidiary of the Altana Group where Dr Glander was also a member of the Executive Management Committee. Prior to that, he held various management positions at international chemical producers and plastics processors such as Röchling, Quadrant (Mitsubishi Chemicals) and Bayer AG. As a member of the Supervisory Board, Dr. Stephan Glander advises, among others, Franz Haniel & Cie. GmbH, one of the oldest family-owned companies in Germany.
With a university degree as Diplom-Betriebswirt, Kai Froböse has gained more than 17 years of professional experience in logistics companies, wind power and automotive industries. He served in different management functions in the areas of finance, controlling, business development and procurement and gained extensive experience in international corporate structures and family-owned companies. Since July 2020 Kai Froböse is the CFO of the Biesterfeld Group.
Peter Wilkes holds a degree in economics and a Master of Business Administration from the University of Chicago, USA. He has decades of global experience in management positions in the specialty chemicals industry.vIn 2015, Peter Wilkes joined the management of Biesterfeld Specialty Chemicals and has successfully developed and internationalized the business unit. Since January 2022, Peter Wilkes has been a member of the Executive Board of Biesterfeld AG. Since February 2024, he has also assumed interim responsibility on the Executive Board for the Biesterfeld Plastic and Biesterfeld Performance Rubber divisions.
Philip Chew is a graduate polymer chemist and holds a master's degree in international marketing management. He is the founding member of the GME Chemicals group of companies, which has been an integral part of the Biesterfeld Group since October 2021. He brings years of experience in specialty chemicals management and polymer sales, often as a start-up in the ASEAN region. He is the latest addition to the Biesterfeld Executive Board since October 2023.
Dirk J. Biesterfeld, Chairman of the Supervisory Board, and his daughter Carola Biesterfeld, Deputy Chairman of the Supervisory Board of the Biesterfeld AG.