Guntram Jäger (DI)
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.
Nikolaus Gassner (MA)
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.
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.
Wolfgang Weber (DI)
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.
Thomas Lang (DI)
Studied civil engineering at the Technical University of Vienna. Engineering work in bridge and tunnel construction. Joined Jäger Bau in 2007. Construction management and costing in civil engineering and construction, head of division since 2009. Since 2012, he has been an authorised signatory and a member of the executive board.
Christoph Grass (Msc)
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 the assistant to the commercial director.
Markus Bitschnau (Ing.)
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.