Chairman of the Management Board

Alexander A. Klein

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 managed the fortunes of the Oest Group as Chairman of the Management Board and Managing Director of OEST SYSTEMS GmbH & Co. KG. 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 Energy Companies (UNITI-Vorstand des Bundesverbandes EnergieMittelstand e.V.), which represents the interests of 1,000 member companies and their 80,000 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.


Foundation and Administrative Board / Advisory Board


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

Board of Trustees for Forestry Work and Technology 

Professional Community Lubricant quality

Study group glued laminated timber construction

More information about lubricants

European Automobile Manufacturers Association

American Petroleum Institute