Management | Becker EN



Hasso Haibach has many years of experience in the steel and metal industry. He began his career in 1987 at Thyssen Stahl AG, where he completed a dual apprenticeship as a process mechanic specializing in cold forming and obtained his technical college entrance qualification. He then studied metallurgical engineering and forming technology at Gerhard Mercator University in Duisburg from 1990-1994, graduating as a graduate engineer.

After graduating, Hasso Haibach worked in various positions, including Technical Customer Service and Key Account Manager, until 2004, when he took over as Sales Manager at Böhler-Uddeholm Germany, a leading supplier of tool steels, high-speed steels and special materials. In 2008, he joined the management of ArcelorMittal - Flat Carbon Europe, one of the world's largest producers of flat steel products. In 2010, Mr. Haibach moved to ABC Umformtechnik and most recently (2014) to Timken Germany GmbH, where he was Managing Director and Sales Director responsible for sales of rolling bearings and drive technology in Germany, Austria and Switzerland.

Since Nov. 1, 2023, he has formed the management of Becker Stahl-Service GmbH as CEO together with Christina Kolbeck. In addition, he has also joined the management boards of Becker Aluminium-Service GmbH and the Becker subsidiary Umformtechnik Stendal GmbH.


Christina Kolbeck studied economics at the University of Cologne (Dipl. Volkswirtin).

After working at Deutsche Schutzvereinigung für Wertpapierbesitz e.V., she joined Klöckner & Co SE in 2008. At the company's headquarters in Duisburg, she worked in the Investor Relations department, where she has been Head of Investor Relations & Sustainability since 2017.

Since June 1, 2021, Christina Kolbeck has been Chief Financial Officer (CFO) of the Becker Group and is responsible for Accounting, Controlling, Communications & Sustainability, HR Development & Recruiting, Human Resources, IT & Processes and Legal Affairs. In addition to her CFO role at Becker, Christina Kolbeck, as CFO, is also responsible for the finance department of Kloeckner Metals Germany GmbH (since August 2019).