Corporate management

The management:
Jörn Riemer
Chief Executive Officer

  • Born in 1957
  • Responsible for the Zertus Group since 2001.
  • Previously in various management positions for 15 years within the Philip Morris/Kraft Foods Group in Germany, USA, Korea and Argentina. Most recent position: General Manager of Kraft Germany.
Dr. Christian Diekmann
Managing Director/Finance and IT

  • Born in 1965
  • Responsible for the financial management, controlling and IT of the Zertus Group since 20013.
  • Previous held positions as Financial Director of comdirect bank AG as well as in portfolio management and with McKinsey.
Andreas Romankiewicz
Managing Director/Production and Logistics

  • Born in 1966
  • Managing Director of Zertus since 2010, responsible for production, logistics and quality
  • Managing Director of the Zertus subsidiaries (Importhaus Wilms/Impuls 2004-2005) and of Dextro Energy GmbH & Co. KG since 2005
  • Previously held management positions with Campina GmbH & Co. KG

The Supervisory Board
Dr. Markus Conrad
  • Member of the Supervisory Board since 2006
  • Previously Chief Executive Officer of Tchibo GmbH, Hamburg.
Louis Graf von Zech
  • Born in 1944
  • Deputy Chairman of the Supervisory Board since 1994
  • Previously Member of the Board of the BHF Bank AG, Frankfurt am Main.
Gerhard Berssenbrügge
  • Born in 1952
  • Member of the Supervisory Board since 2014
  • Previously Chief Executive Officer of Nestlé Deutschland AG, Frankfurt am Main.
Dr. Marc-Angelo Bisotti
  • Born in 1980
  • Member of the Supervisory Board since 2017
  •  Managing Partner RPP Group
Dr. Malte Herwig
  • Born in 1972
  • Member of the Supervisory Board since 2017
  •  Journalist/Author, Stern
Andreas Krippner
  • Born in 1966
  • Member of the Supervisory Board since 2010
  • Consultant
Dr. Markus Schöner
  • Born in 1968
  • Chairman of the Supervisory Board since 2017
  • Member of the Supervisory Board since 2010
  • Lawyer
Christian Echarti
  • Born in 1937
  • Honorary Chairman of the Supervisory Board since 2010
  • Chairman of the Supervisory Board from 2002 to 2010
  • Managing Director and Chief Executive Officer of ZRT (now Zertus) from 1977 to 2001.