Chairman of the Management Board since 1 February 2010, appointed until 31 May 2026
Mr Gerstenmayer was born on 18 February 1965 and is a German citizen. He studied Production Engineering at Rosenheim University of Applied Sciences. In 1990, he joined Siemens in Germany,working first in lighting, and then holding various management positions in the Siemens Group.
In 2003 he was appointed Managing Director of Siemens Transportation Systems GmbH Austria and CEO of the Drive Technology business unit in Graz (world headquarters). He was partner at FOCUSON Business Consulting GmbH from 1 January 2009, but left the operational consulting business after becoming Chairman of the Management Board at AT&S. Mr Gerstenmayer does not hold any supervisory board memberships or similar positions in other companies in Austria or abroad that are not included in the consolidated financial statements.
Andreas Gerstenmayer’s managerial responsibilities include Strategy, M&A, R&D, Communication & PR, Public Affairs, IT, Human Resources, AISS and Corporate Social Responsibility. As Chairman of the Management Board he is responsible for the implementation and supervision the implementation of the decisions and resolutions of the Management Board, the Supervisory Board and the Annual General Meeting.
As interim CFO, he will be responsible for Controlling, Accounting & Finance, Investor Relations, Legal Affairs & Compliance and Internal Audit.