Executive Board

BAUER Aktiengesellschaft, founded in 1994, is the holding company of the Group. BAUER AG is responsible for the strategic direction and management of the Group and controls and monitors the operating segments as part of the investment controlling process. As a service provider, it also performs central administrative and service functions for the affiliated companies. The Executive Board pursues long-term goals and bases its decisions on the values of the BAUER Group.
 

Bachelor of Laws (LL.B.) / Business Lawyer (FH)

Lena Effinger

Lena Effinger, born in 1972, has been appointed as a Member of the Executive Board of BAUER Aktiengesellschaft, effective June 1, 2025. She will be responsible for financing and corporate services. After completing her business administration studies (VWA) at the Verwaltungs- und Wirtschafts-Akademie München e. V. in 2002, the Munich native began her career at SüdLeasing Bayern GmbH in the Structured Finance and International Leasing division. In 2004, she moved to Deutsche Leasing AG in the Partnering & International division. Two years later, in 2006, she joined BAUER Maschinen GmbH, where she took over as head of the Finance and Contracts Management department. Parallel to her professional career, she obtained a degree in finance and leasing (Dipl.) VWA Freiburg in 2007 and a Bachelor of Laws (LL.B.)/Business Lawyer (FH) in 2012. In 2016, Lena Effinger moved to BAUER AG, where she was Head of Treasury & Finance until her appointment to the Executive Board. Her responsibilities included relationship management with banks, leasing companies and credit insurers, group treasury and reporting, and trade finance. In 2017, she completed the Certified Corporate Treasurer (VDT) programme at the Frankfurt School of Finance & Management.
Univ.-Prof. Dr.-Ing.

Detlef Heck

Univ.-Prof. Dr.-Ing. Detlef Heck, born in 1970, was appointed to the Executive Board of BAUER AG on August 15, 2025. He is responsible for the Geotechnical Solutions segment. After studying civil engineering at the Technical University of Darmstadt, he began his career in 1997 at Züblin Spezialtiefbau GmbH in Stuttgart, where he worked until 2006. At the same time, he earned his doctorate at the Technical University of Darmstadt from 2000 to 2004. In 2006, he was appointed to the Technical University of Graz, where he has been Professor of Construction Management and Construction Economics ever since. From 2007 to 2019, he was Managing Director of profacto GmbH in Graz. In 2008, he was appointed as a court-certified and sworn expert for calculation, procurement, contract awarding, construction management, and construction accounting. In 2009, he took over as co-editor of the trade journal bau aktuell published by LINDE Verlag. From 2015 to 2019, Prof. Heck was Vice Rector for Teaching at Graz University of Technology. In 2018, he was appointed as a court-certified and sworn expert for fees for architects, civil engineers, and master builders. Since 2020, he has been spokesperson for the DACH construction management professorships. Since 2019, he has been managing director of H+P Consult GmbH in Graz.

You might also be interested in...

Innovations

At Bauer, it's the people who drive innovation. Teams pull together and achieve the impossible. Our motto: Passion for Progress.

Innovations
Business Segments & Locations

The operations of the BAUER Group are divided into three future-oriented segments with a high potential for synergy: Construction, Equipment and Resources.

Business Segments & Locations
Careers at Bauer

Explore job listings. Start a career at Bauer. Get answers about applications and prospects for all talents and career stages.

Careers at Bauer