Executive Board

Executive Management

DI Guntram Jäger
CEO

Having completed a degree course in civil engineering at the Technical University of Munich, Guntram Jäger joined the company in 1987 and took on the responsibility for construction and civil engineering along with project development. He was appointed director in 1991.

Mag. Nikolaus Gassner
CFO

Nikolaus Gassner completed his studies in business administration at the University of St. Gallen/Switzerland and joined Jäger Bau GmbH in 1999. He took over as head of finance and accounting and was appointed director in 2003.

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.

Business Unit Management

   

   DI Wolfgang Weber

   Authorised officer 
   Head of Underground
   Construction

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 a member of the executive board as head of the underground construction division.

   
   Dietmar Bischof


   Authorised officer
   Head of Underground
   Construction

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 and a member of the executive board.

  

   Christoph Grass, Msc.

   Authorised officer
   Commercial
   Administration

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. Since 2017, he has been an authorised signatory and member of the executive board.

   

   DI Nico Jenny

   Authorised officer
   Head of General
   Planning

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. Markus Bitschnau

   Authorised officer
   Head of 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 joined the executive board as head of the underground construction division in 2010.