GIM International Authors

On this page, please find the authors of articles with their biographies, affiliations and an overview of the articles they've contributed to. As the occupations of the authors may change in time, they are requested to send updates of their details if needed. We also consider links to other publications online.

Your Contributions Welcome

Do you want to contribute as an author of a paper to GIM International and be mentioned on this page? Just send your paper or idea to our content manager, Wim van Wegen and he will contact you about the article guidelines and the submission process.

GIM Featured Authors

Thomas P. Kersten

Thomas P. Kersten has been a full professor for photogrammetry and laser scanning in the bachelor an... (read more)

Christoph Traxler

Dr Christoph Traxler is head of the geospatial visualisation group at VRVis and has experience in re... (read more)

Benjamin Federmann

Benjamin Federmann studied business economics in Stuttgart and has been director of marketing, commu... (read more)
Contributors to GIM International

Alex Mudabeti

Alex Mudabeti is deputy director for spatial data and NSDI at the Namibia Statistics Agency. (read more)

Anka Lisec

Since completing her PhD in 2007 Anka Lisec has been employed at the University of Ljubljana, Faculty of Civil and Geodetic Engineering (UL FGG), currently as an associate professor and researcher. Since 2016 she has been the head of the Chair of Geoinformation and Real Esta... (read more)

Benjamin Busse

Benjamin Busse is a UAV pilot and expert in cartography and geomatics at the Karlsruhe-based Ingenieur Team GEO engineering office. (read more)

Brian Nicholls

Brian Nicholls is an executive director of AAM Group, based in Sydney, Australia. Brian leads AAM’s international team focusing on the development and provision of smart city and smart mapping solutions to government and private-sector clients across Africa, the Middl... (read more)

Christiaan Lemmen

Christiaan Lemmen is geodetic advisor at Kadaster International. He is visiting researcher at the Faculty of ITC, University of Twente, The Netherlands and chair of the Fit-For-Purpose Land Administration Working Group of FIG Commission 7 on Cadastre and Land Management. (read more)

Daniel Kruimel

Daniel Kruimel is a business development manager for AAM in Singapore where he uses his previous survey experience to provide 3D mapping and smart city solutions to clients in the Southeast Asian region.  (read more)

Durk Haarsma

Durk Haarsma is publishing director of Geomares Publishing. He was publisher at Reed Business Geo for almost five years before Geomares Publishing was formed by a management buy-out on 1 October 2009. Prior to that, he worked for almost ten years as an editor and journalist... (read more)

Felix Tschirschwitz

Felix Tschirschwitz is a research assistant at the HafenCity University Hamburg. He obtained his bachelor’s and master’s degrees in geomatics from the same university and has been working with interactive visualisation since 2013. (read more)

Filiberto Chiabrando

Filiberto Chiabrando is an assistant professor in geomatics at Politecnico di Torino (Polytechnic University of Turin, Italy) and secretary of the ISPRS WG I/II ‘UAS & Small Multi-sensor Platforms: Concepts & Applications’.   (read more)

Frank Pache

Frank Pache received a graduate engineer degree in geodetics engineering from the University of Applied Sciences Bochum in 1991. He joined Leica Geosystems in 1992 as an application engineer for GNSS surveying systems. He currently holds a position as senior product manager... (read more)

Frank Pichel

Frank Pichel is chief programme officer at Cadasta Foundation. He is a land administration specialist with experience in designing, managing and implementing land-related projects with a technology focus around the globe. Cadasta Foundation provides an open platform that ena... (read more)

Frédérique Coumans

Frédérique Coumans is contributing editor for GIM International. For more than 20 years, she has been covering all aspects of spatial data infrastructures as editor-in-chief of various magazines on GIS, data mining and the use of GIS in business. She lives near... (read more)

Galina Slavova

Galina Slavova was educated as an Architectural Technologist and is currently involved in a Master’s degree in Building Energy Design at the Technical University of Denmark (DTU). In the past 5 years, she has gained vast experience in the field of Building Information... (read more)

Gerd Hesina

Dr Gerd Hesina is CEO of VRVis and has experience in research and development in various 3D visualisation projects. He is a lecturer at the University of Applied Sciences Technikum Wien in Vienna and Salzburg University of Applied Sciences, Austria. (read more)

Giulia Sammartano

Giulia Sammartano is a PhD student in architectural and landscape heritage at Politecnico di Torino and holds an MSc in architecture for sustainable design (2014).  (read more)

Hannah Szwarc

Hannah Szwarc is an account manager for Germany at NavVis GmbH. She specialises in providing NavVis customers with next-generation building information modelling and computer-aided design solutions. She has also driven the NavVis Emergency Response Pilot Project, which enabl... (read more)

Hans Visser

Hans Visser is a geodesist from Delft University who has been working in the field of GNSS for the past 30 years. He currently works for Fugro-Intersite BV in the Netherlands. (read more)

Ismael Chivite

Ismael Chivite works as a senior product manager at Esri. With over 20 years of GIS experience, Chivite is passionate about building ArcGIS products that help organisations use geography to improve the way they work. (read more)

Jaap Zevenbergen

Jaap Zevenbergen is a professor of land administration and management at the University of Twente, Faculty of Geo-Information Science and Earth Observation (ITC) in Enschede, The Netherlands. (read more)

Jakub Karas

Jakub Karas is co-owner of Upvision, a UAS manager and consultant. He has over 15 years of experience in photogrammetry and GIS and is the author of a book on drones (in the Czech language). He is vice-president of the Czech Unmanned Aerial Alliance and holds various positio... (read more)

Jernej Tekavec

Jernej Tekavec is a PhD candidate at the University of Ljubljana, Faculty of Civil and Geodetic Engineering. His research is focused on real estate cadastre, 3D modelling and 3D spatial analysis. As a member of the Chair of Geoinformation and Real Estate Cadastres at UL FGG,... (read more)

Jorg Hacker

Prof Jorg M. Hacker is founder, director and chief scientist of Airborne Research Australia (ARA), Australia’s only non-commercial entity which uses aircraft for environmental research. He is also a professor at Flinders University. He pioneered the concept of using co... (read more)

Judith Kalinga

Judith Kalinga is the Minister for Lands, Mining and Physical Planning of Makueni County in Kenya. A qualified lawyer, she seeks to use the law to solve land problems rather than compound them. Judith sees a fit-for-purpose approach as a structured way of achieving this obje... (read more)

Kim Schlüter

Kim Schlüter, who is studying politics and has written articles for German public-service broadcasting, (read more)

Klaus Mechelke

Klaus Mechelke has been a teaching and research associate in the field of geomatics at HafenCity University Hamburg since 1992.  (read more)

Kwabena Asiama

Kwabena Asiama is a PhD candidate at the University of Twente, Faculty of Geo-Information Science and Earth Observation (ITC) in Enschede, The Netherlands.  (read more)

Marcos Sirota

J. Marcos Sirota is president of the Sigma Space Corp. Sirota holds a degree in electrical engineering from the University of Buenos Aires and an MSc and PhD in aeronautics and astronautics from the University of Washington. He has received several technology awards from NAS... (read more)

Martin Kodde

Martin Kodde is a specialist in the field of Geomatics with a keen interest in real time 3D data acquisition. He has a bachelor degree in Geodesy from Utrecht University of Applied Sciences and a Master degree in Geomatics from Delft University of Technology. Martin Kod... (read more)

Martin Pfennigbauer

Dr Martin Pfennigbauer is product manager for hydrographic airborne laser scanning at RIEGL Laser Measurement Systems GmbH, Austria.  (read more)

Mathias Lemmens

Mathias Lemmens gained a PhD degree from Delft University of Technology, The Netherlands. He acts as an international consultant and is the author of the book Geo-information – Technologies, Applications and the Environment published by Springer in 2011. He is currentl... (read more)

Mila Koeva

Mila Koeva gained her doctorate from the University of Architecture, Civil Engineering and Geodesy of Sofia. She is an assistant professor working in 3D land information at the University of Twente, ITC, The Netherlands and co-chair of ISPRS WG IV/10. (read more)

Miran Ferlan

Miran Ferlan is a senior lecturer at UL FGG, Chair of Geoinformation and Real Estate Cadastres. After obtaining his PhD, he continued to pursue research in surveying, land information systems, land management, land administration, spatial planning, GIS and programming and he... (read more)

Nannina Spano'

Nannina Spano’ is an associate professor in geomatics at Politecnico di Torino and co-chair of the ISPRS WG IV/2 ‘Ontologies, Semantics, and Knowledge Representation for Geospatial Information’.  (read more)

Nathan Quadros

Nathan Quadros manages the Rapid Spatial Analytics research program at the Cooperative Research Centre for Spatial Information in Australia. He has experience in leading major remote sensing projects across Australia and Asia-Pacific. (read more)

Nicolàs de Hilster

After his education in hydrography, Nicolàs de Hilster was employed by Osiris from 1989 to 1996. He then moved to the Survey Department of Rijkswaterstaat (GAM-Department). In 2000, Nicolàs became the founding owner of Starmountain Survey & Consultancy. (read more)

Owen Brown

Owen Brown BSc is vice president of Ventus Geospatial. His ten years of surveying experience began after his degree in geography (GIS-focused) from the University of Lethbridge, Alberta, Canada. He is currently completing an MSc there with research into near-surface fluid en... (read more)

Peter Maxwell

Peter Maxwell is an expert in the provision of topographical surveys, measured building surveys and underground utility land surveys and works as an IT manager at Midland Survey Ltd in the UK. (read more)

Rear Admiral (Italian Navy ret.) Giuseppe Angrisano

Rear Admiral of the ltalian Navy (ITN) retired, Giuseppe Angrisano was commissioned in 1957 and specialised in Hydrography in 1965. He commanded various ITN vessels including the oceanographic shipMagnaghi. He was Hydrographer of the Navy from 1987 to 1991. From 1992 to 2002... (read more)

Ron Bisio

Ron Bisio joined Trimble in 1996 and has held several marketing, sales and general management positions prior to taking over worldwide responsibility for Trimble’s Geospatial Division as vice president. He holds a master of business administration from the University o... (read more)

Ron Roth

Ron Roth is product manager for airborne topographic Lidar at Leica Geosystems. Roth holds a BSc in mechanical engineering from Worcester Polytechnic Institute and an MBA from Babson College. He was also awarded a United States patent for a remote counter-balancing mechanism... (read more)

Sabrina Cardot

Sabrina Cardot is a construction industry marketing specialist at Pix4D. Founded in 2011 as a spin-off of EPFL in Switzerland after more than ten years of leading scientific research, Pix4D has become the main provider and industry standard for professional UAV photogrammetr... (read more)

Simon Deggim

Simon Deggim completed his master of science degree in geomatics at the HafenCity University Hamburg in 2016. Since October 2016 he has been a member of the academic staff of the same university, working in the field of visualisation and VR projects. (read more)

Stephen Ambani

Stephen Ambani, c­hair of the Instituti­on of Surveyors of Ke­nya, is a licensed lan­d surveyor with 21 ye­ars’ experience. He i­s very passionate about ­resolving challenges that ­hinder citizens in acquiring land owne­rship documen... (read more)

Tim Fella

Tim Fella is the global business development manager for land administration at Esri. He has broad experience with land tenure and land administration issues from around the globe. Just prior to Esri, Fella led new business development and consulting for the land and natural... (read more)

Václav Šafář

Václav Šafář is a photogrammetrist and chief of the GIS and real estate cadastre department at the Research Institute Geodesy, Cartography and Topography (www.vugtk.cz). He is also a member of the Czech Society for Photogrammetry and Remote Sensing. (read more)

Wim van Wegen

Wim van Wegen is content manager of GIM International. In his role, he is responsible for the print and online publications of one of the world’s leading geomatics trade media brands. He is also a contributor of columns and feature articles, and often interviews renown... (read more)
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