Executive Management

DI Thomas Lang
CEO

Studied civil engineering at the Technical University of Vienna. Engineering work in bridge and tunnel construction. Joined Jäger Bau in 2007. Head of construction management and costing in civil engineering since 2009. Since 2012, he has been an authorised signatory and a member of the executive board. Appointed director in 2019.

DI Wolfgang Weber
CEO

Graduated in civil engineering from the Technical University of Graz and joined the company in 1999. Construction and project management activities for domestic and foreign tunnel construction projects. Since 2012, he has been an authorised signatory and head of the underground construction division. He became member of the executive board in 2021.

Christoph Grass, MSc.
CFO

Graduated with a master's degree in accounting, auditing and taxation, with a focus on auditing, from the University of Innsbruck and joined Jäger Bau GmbH in 2014. Received procuration in 2017 and became member of the executive board in 2021.

Authorized signatories

   
   Dietmar Bischof


   Management

Upon completion of a business degree at the BHAK Feldkirch college, he joined Jäger Bau GmbH. 1992 - 94 PORR AG. 1995 Rejoined Jäger as head of the Controlling department. Since 2006, he has been an authorised signatory.

   

   Ing. Markus Bitschnau

   Underground Mining

Joined the company in 1985 after leaving secondary technical school. He climbed the ranks from construction site engineer to construction manager and project manager for a large number of deep mining sites. He became an authorised signatory in 2008 and head of the underground construction division in 2010.

   

   DI Nico Jenny

   Project Development

Studied construction engineering at the Technical University of Vienna. Engineering work in industrial facility. Joined Jäger Bau GmbH in 2014. He has been head of general planning and authorised signatory since 2018.

   

   
   Ing. Martin Fitsch

   Building Construction
   and Civil Engineering

Completed study at the HTL Rankweil and began work as a civil engineer and site manager at Jäger Bau GmbH in 2000. Estimator for the area of building construction and civil engineering since 2002. In 2021 he took over direction of the Department for Building Construction and Civil Engineering and became an Authorised Officer. 

   

   
   Ing. Rainer Gehrmann

   Building Construction
   and Civil Engineering

Joined the company in 1995 as Site Manager for Civil Engineering Projects, gained experience in bridge construction and managed numerous projects in civil engineering. In 2019, he took over the operative management of the Department for Building Construction and Civil Engineering and became an Authorised Officer in 2021.

   

   DI Josef Tschofen,
   MBA

   Underground Mining

Studied Civil Engineering at the University of Innsbruck. He joined Jäger Bau GmbH in 2004 and works as a Construction and Project Manager in underground mining. He completed an Executive MBA at the Management Center Innsbruck while working. Member of the Division Management for Underground Mining and Authorised Officer since 2021.