Master of Geotechnical Engineering, China University of Mining and Technology

HafenCity University Hamburg

York University

Tallinn University of Technology, Faculty of Civil Engineering, Chair of Geodesy

Professor, GravLab, Department of Geodesy and Surveying, Aristotle University of

Professor of Geodesy, Aristotle University of Thessaloniki

Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences

Professor of Surveying and Geodesy, Minia University, Egypt

Professor, geodesist, Chinese academy of surveying & mapping

Scientist, German Research Centre for Geosciences