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Success needs leadership

A successful company needs strong and competent leadership. Clear goals, promotion and development of the employees as well as an authentic history of defined values bond a company together with a successful team

The Management Team


With Aalberts since April 2017. As executive director responsible for Sales, Marketing, Business Development, Pricing and Sales Operations.


Matthias Kester (born 1966) studied business administration with a focus on marketing and production management at the University of Applied Sciences Frankfurt am Main. Mr. Kester began his professional career in auditing with international clients of Ernst & Young GmbH in Frankfurt. He then worked for many years as a sales-oriented CFO and as Director Sales / Business Operations for a well-known American IT manufacturer.


With Aalberts since March 2018. As Group Managing Director responsible for Aalberts surface treatment and process engineering.


Graduate engineer Michael Preinerstorfer (born 1970) was born in Austria and studied metallurgy and intercultural competences. He has over 17 years experience in various international positions in sales, production and as Managing Director of the British IMI Group. During the last four years, Mr. Preinerstorfer has been working for the Japanese company SK, one of the world's leading manufacturers of rolling bearings, linear technology and automotive components, as General Manager of Industry EMEA.


With Aalberts since 2003. As executive director responsible for Business Controlling, Finance, Tax, Legal, IT, Corporate Planning and HR Operational.


Ralf Krämer (born 1967) studied Business Administration (Dipl.-Kfm.) at the Westfälische-Wilhelms-University Münster, majoring in auditing, tax law and statistics. After his studies he worked for nine years at the international auditing company PKF Fasselt Schlage Cologne. After successfully passing his exams as a tax consultant and auditor, he most recently worked as a partner for international clients. Mr. Krämer has held various management positions at Aalberts in Germany and abroad.