Associate Professor, Department of Geomatic Engineering, KNUST, Kumasi

Dublin Institute of Technology, Dublin, Ireland

University of Queensland

Profesor, University of Zagreb, Faculty of Geodesy

technet GmbH, Berlin, Germany

University of Warmia and Mazury in Olsztyn

Wroclaw University of Science and Technology

Assistant Professor @ University of North Florida

Professor, University of Zagreb, Faculty of Geodesy

PhD, University of Southern California