Management
The people behind GS Group.
Entrepreneurial experience from the automotive industry, engineering and law.
Gürsel Sen is the founder and CEO of the investment company in Heilbronn. Together with Michael Seith, Deputy Managing Director, Ebru Sen, lawyer (LL.M.), and Hakan Büyük from project management, he forms the management team of GS Group.
Gürsel Sen
Founder and CEO
Gürsel Sen studied mechanical engineering at Heilbronn University of Applied Sciences and joined Bertrandt AG in 1987. In 1993 he became head of the Heilbronn branch, and in 1996 he was involved in the company's IPO.
In 2002 he founded GS Group GmbH, and in 2007 ASAP Engineering GmbH, which developed into a leading engineering service provider for the automotive industry. The ASAP Group was sold in 2023.
He has developed the GS Group, which originally acted as the management company for his shares in Bertrandt AG, into a holding company with 14 portfolio companies across four sectors.
Michael Seith
Deputy Managing Director
Michael Seith has many years of experience in the automotive industry and in the strategic and organisational development of companies – including at Daimler AG, Mercedes-AMG GmbH and thyssenkrupp.
He is a graduate mechanical engineer (Diplom-Ingenieur) with a master's degree in General Management. His focus: sustainable growth, efficient organisational structures and future-proof business models.
Ebru Sen
Lawyer (LL.M.)
Ebru Sen is a lawyer with an international focus. She studied in Istanbul and Mainz and completed her master's degree (LL.M.) at the University of Glasgow, specialising in international law.
Since 2021, she has been Managing Director of Avenir Brands GmbH & Co. KG (formerly Cleversystem GmbH & Co. KG), a GS Group portfolio company in the e-commerce sector.
Hakan Büyük
Project management
Hakan Büyük began with an apprenticeship as a body and vehicle construction mechanic at AUDI AG and then studied production and logistics at Heilbronn University of Applied Sciences (Bachelor of Engineering).
He then worked as a project engineer at ASAP Engineering, in supply chain management at Magna Steyr and at thyssenkrupp – most recently as head of the joining technology team in quality assurance at thyssenkrupp Automotive Body Solutions.