• 1985

  Diplom-Engineer Degree Geodesy University of Bonn

• 1991

  Doctor-Engineer Degree University Stuttgart

• 1994

  Scientific Continuing Education Software Engineering and Database Systems,Fernuniversität Hagen

• 1991-1995

  Senior Engineer Krämer & Schüller Consulting Engineers, Krefeld

• 1995

  Professor in the Department of Surveying and Geoinformatics at HFT Stuttgart

• 2001-2022

  Programme Director MSc. Photogrammetry and Geoinformatics

• since 2002

  Head of the Laboratory for Geodetic Data Processing

• 2014-2018

  Member of the Faculty Board as Dean of Studies

• since 2018

  Member of the Faculty Board as Vice Dean

• 2013

  Honorary Doctor of Yerevan State University of Architecture and Construction

2002 Teaching and research stay at Guilin University of Technology, China.
2005 Teaching position (DAAD short-term lectureship) at the Universidad de El Salvador, San Salvador.
2006 Teaching position (DAAD short-term lectureship) at the Universidad de El Salvador, San Salvador.
2008 Workshop as part of the HFT Summer School in Trivandrum/India
2010 Workshop at the HFT Summer School in Arequipa/Peru
2011 GIS Intensive Training at the Yerevan State University for Architecture and Construction, Armenia within the framework of the EU-Tempus project GIDEC.
2012 Workshop at the HFT Summer School in JohorBahru, Malaysia
2012 GIS Workshop at the University of Klaipeda, Lithuania
2013 Workshop as part of the AGSE HFT Summer School in Ahmedabad/India
2016 Postgraduate Seminar and Workshop Universidád de El Savador, San Salvador
2021 Co-organiser AGSE Kathmandu/Stuttgart