Executive and Supervisory Board

Thomas Arnold – Chief Executive Officer (CEO)

As a graduate in economics Thomas Arnold held management positions in various renowned international companies in the chemical industry and trade.

From 2013 to 2015 Thomas Arnold was General Manager of Biesterfeld Spezialchemie GmbH and drove the global operative business and its development. Since April 2015 Thomas Arnold is CEO of Biesterfeld AG and is responsible for the strategic development of the Group.


Carsten Harms  – Member of the Executive Board

Carsten Harms began his professional career in 1986 as a trainee of the Biesterfeld Group. As Key Account Manager and later as Product and Business Manager he has driven the international expansion of the Division Biesterfeld Plastic to one of the leading Distributors for Plastics in Europe and Northern Africa - since 2007 in the position as Managing Director.

Since July 2014 Carsten Harms is a member of the Executive Board of Biesterfeld AG.


Kai Froböse – Member of the Executive Board

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.


Supervisory Board of Biesterfeld AG

The members of the Supervisory Board of Biesterfeld AG:

  • Dirk J. Biesterfeld - Chairman of the Supervisory Board (2nd left)
  • Carola Weger - Deputy Chairman (3rd left) 
  • Thomas Borst (3rd right)
  • Dr. Jens Kruse (2nd right) 
  • Christoph Schopp (1st left)
  • Jürgen von Wendorff (1st right)

Dirk J. Biesterfeld, Chairman of the Supervisory Board, and his daughter Carola Weger, Deputy Chairman of the Supervisory Board of the Biesterfeld AG.