The Chairman of the Board, Alexander A. Klein worked internationally in a number of companies, including as Sales & Service Director at HILTI (GB) Ltd. and Managing Director of Blaser Swisslube GmbH. Since 2008, he has been at the helm of the Oest Group as chairman of the board. He also advises external companies in a range of different sectors and sits on the boards of various charitable organisations.

In 2014, Alexander A. Klein was also elected as a member of the UNITI Board of the Federal Association of Medium-Sized Oil Companies (UNITI-Vorstand des Bundesverbandes mittelständischer Mineralölunternehmen e.V.), which represents the interests of 1,500 member companies and their 75,000 employees. Mr Klein is a member of various management and industry associations and is a keen Rotarian.

As a co-pilot, he actively promotes the charitable association Flying Hope, which supports seriously ill children and their families with free flight transfers.

Management board

  • Alexander A. Klein  | Chairman of the Board | Managing Director Mechanical Engineering
  • Dr. Ingo Nösler | Managing Director Lubricants
  • Saskia Weegels | Head of Energy Division
  • Matthias Pape | Managing Director Filling Stations
  • Ronald Rijkee | Oest Group CFO


Foundation and supervisory board

  • Marc-Uwe Fischer  | Chairman of the foundation and supervisory board | CEO, fischer/collegen Stuttgart GmbH & Co. KG
  • Jochen Klösges | Member of the foundation and supervisory board | Chief Executive Officer, Aareal Bank AG
  • Hans-Dieter Schumacher | Member of the foundation and supervisory board | Former CFO Jenoptik AG, Homag AG, Sto SE & Co. KGaA


We network for you!

Oest is a member and active promoter of a network of associations, organisations and cooperative ventures. We are therefore among the first to hear about new technical and legal developments, as well as scientific and technological advances.

UNITI Federal association of small and medium-sized energy enterprises

Association Lubricant Industry

Independent Union of the European Lubricants Industry

German Engineering Federation

Institute for Forming Technology

Professional Community Lubricant quality

More information about lubricants

European Automobile Manufacturers Association

American Petroleum Institute