FOSS4G 2023 workshops

Abdullah Barhy

Programme Policy Officer (GIS-Remote Sensing) at World Food Programme

  • Mapping with style to fight misinformation: creating neat maps with QGIS based on real data.
Alessio Fabiani

Sw Engineer @GeoSolutions and GeoNode and other gis based platform core contributor

  • Introduction to GeoNode, the Open Source geospatial CMS
  • OGC APIs, an introduction with GeoServer
  • Styling Natural Earth with GeoServer
Anca Anghelea

Dr. Anca Anghelea is a technical officer in the Data Applications Division of the European Space Agency's Earth Observation Programme, Department of Science, Applications and Climate. Her work is focused on Open Digital Innovation for Earth Science and Applications.

  • Open Science with NASA-ESA-JAXA EO Dashboard

Open source developer
Open data enthusiast
IT consultant
Mathematics academic
Hiking and nature freak

  • Tourism initiatives in light of open data and free tools
Andrea Aime

Open source enthusiast with strong experience in Java development and GIS. Personal interest range from high performance software, managing large data volumes, software testing and quality, spatial data analysis algorithms, map rendering.
Full time open source developer on GeoServer and GeoTools.
Received the Sol Katz's OSGeo award in 2017.

  • OGC APIs, an introduction with GeoServer
  • Styling Natural Earth with GeoServer
Andrea Antonello

Andrea Antonello works on open source GIS development since his degree in environmental engineering. He is co-founder of HydroloGIS, a company that makes use as well as develops geospatial open source software for environmental analyses. Andrea is lead of the HortonMachine and Smash projects and part of the development team of Aries. He is lecturer for Advanced Geomatics at the Free University of Bolzano, where he teaches how to script in QGIS.

  • Scripting with pyQGIS for beginners
Angelos Tzotsos
  • Diving into pygeoapi
  • Doing Geospatial with Python
  • Setting up a Spatial Data Infrastructure (SDI) with Open Source Software using OSGeoLive
Antonio Cerciello
  • Diving into pygeoapi
Ariel Anthieni

Currently part of the OSGeo board, CEO of Kan Territory & IT, SDI specialist, computer-based with a track record between Open Source and the integration of systems for decision-making in the territory, with more than 20 years of experience in public administration and SDI.
Entrepreneur and active communicator of the potential of geospatial technologies as facilitators for sustainable development, especially in emerging economies. Currently President of Geolibres Argentina.
Current advisor to the ECLAC for the development of new technologies for the integration of geographic and statistical data, for the publication of indicators at the regional level.

  • Automation Geoprocessing of QGIS and GRASS with Airflow
Astrid Emde

Astrid Emde is an active member of OSGeo and a Charter Member since 2010. She was in the OSGeo Board of Directors from 2017 till 2021. She is the OSGeo Secretary. She received the Sol Katz Award in 2018 at the FOSS4G conference in Dar es Salaam (Tanzania).

  • Setting up a Spatial Data Infrastructure (SDI) with Open Source Software using OSGeoLive
  • Manage your geospatial data with PostgreSQL/PostGIS
Christopher Beddow

Christopher Beddow is a data analyst with the maps team at Meta working with Mapillary, OpenStreetMap, and open geospatial data initiatives. He has led various projects including Mapillary integrations for GIS and OSM, the Mapillary Python SDK, and Meta collaboration with Major League Hacking program for student projects in open source. Chris is originally from Montana, USA and lives in central Switzerland.

  • Collaborative Mapping 2.0: Rapid and Tasking Manager
Craig Taverner

I am an open source software developer, technology enthusiast and entrepreneur working on many kinds of projects, but most involve analytics and data modeling of big data, especially if it includes an element of GIS, search, or graphs. I work at Elastic Search on Analytics and Geo.

  • Web mapping with Elasticsearch
Dave Signer

I am a swiss senior developer at and there I work as QGIS core commiter and main responsible for INTERLIS solutions and the Model Baker plugin. I am passionate about developing innovative ideas, learning new technologies and finding solutions to challenging problems.

  • Data harmonization in a model-driven approach using INTERLIS and QGIS Model Baker
  • Work with data relations in QGIS - Core functionalities and plugins
Dennis Bauszus

Having relocated as a Land Surveyor from his native Germany to London, UK; His 25 years of professional experience in the spatial information sector have seen many transitions; From field work and paper maps to digital, from desktop to cloud, and more recently from proprietary to open source technologies.

  • XYZ Cloud MAPPing 101
Dimitri Lallement
  • Discover CNES 3D open-source tools through a realistic scenario
Dimitris Karakostis

Geospatial specialist and technical project manager. Since 2016 he works as a senior GIS Specialist at the United Nations World Food Programme. Since 2020 he is based in Damascus where he is leading the establishment of the geospatial unit in the WFP Syria Operation. He has more than 10 years of experience in a broad area of Geospatial such as web GIS, GIS Analysis, and Remote Sensing.

  • Mapping with style to fight misinformation: creating neat maps with QGIS based on real data.
Dubois Emmanuel

Emmanuel Dubois is an image processing engineer in CNES, the French Space Agency. After ten years on satellite telecommunications, he works now on 3D restitution thematic, mainly on CNES tools such as CARS, pandora, demcompare.

  • Discover CNES 3D open-source tools through a realistic scenario
Eric Stemmler

I started in transport psychology, developing computational methods to study driving behaviour. Since 2018, I'm working in development cooperation projects related to public transport. In 2021, I was teaching an introductory course in Statistics and R in Khovd (Mongolia) and supported researchers in their statistical analyses.

M.Sc. Computational Science (2013)
M.Sc. Engineering Psychology (2019)

Statistics plays an important role in today's society and decision making. Statistics and R are my passion and I love to support the public with open source software. I'm the author and maintainer of a published R package: rim.

  • Integrating GTFS Transit Data with Spatial Analysis in R
Feye Andal

Feye teaches a GIS elective at De La Salle University-Manila and mentors the UP Resilience Institute YouthMappers. She also served as a Regional Ambassador in Asia for YouthMappers. She has been an active volunteer OpenStreetMap-Philippines since 2013, where she teaches different stakeholders how to use OpenStreetMap and other open mapping tools and techniques. She is also a member of the HOT Quality Control Working Group, which ensures and maintains data quality on humanitarian projects.

  • Collaborative Mapping 2.0: Rapid and Tasking Manager
  • Data Collection Using KoboToolbox
Francesco Bartoli
  • Diving into pygeoapi
  • Doing Geospatial with Python
Gérald Fenoy

He obtained a Master degree in Computer Science for University of Montpellier II. After graduation, he worked in a private company as a developer for Web-GIS application and PostGIS based system integration. He established his company GeoLabs, in 2006, and have done several projects in France and overseas. He's been actively developing and promoting OSGeo technologies. He is a regular participant and contributor to FOSS4G Conferences. He is working on implementing the ZOO-Project. On top of this processing engine, he works on implementing a user interface to manage web applications and OGC web services, called MapMint.

  • ZOO-Project: Introduction to the OGC API - Processes - Part 1: Core
  • Building Standards Compliant Geospatial Web Applications – The Quick and Easy MapMint Way.
Giovanni Allegri
  • Introduction to GeoNode, the Open Source geospatial CMS
Hans van der Kwast

As an Associate Professor in Open Science & Digital Innovation at IHE Delft Institute for Water Education I actively promote the use of open source tools by young water professionals. Through the GIS OpenCourseWare platform and my YouTube channel I share free tutorials. I am a board member of the QGIS NL and have my own consultancy QWAST-GIS. I co-authored the book QGIS for Hydrological Applications with Locate Press.

  • Monitor spatial and temporal trends in agricultural water productivity with WaPOR open data
Ian Turton
  • Getting Started with GeoServer
J. R. Cedeno Jimenez

Rodrigo Cedeno was born in Mexico. After obtaining the B.Sc. in Mechatronics Engineering he worked for 8 years at FIAT. In 2021 he obtained an M.Sc. in Geoinformatics Engineering at Politecnico di Milano. In 2022 he obtained an MSc. in Environmental and Land Engineering at Politecnico di Torino. During his Master's he graduated from the international honour program Alta Scuola Politecnica. Currently, he is a PhD student in Geomatics at Politecnico di Milano. His main research fields are AI applied to atmospheric pollution using Earth Observation, open geospatial infrastructures such as the Open Data Cube and Blockchain.

  • Mapping with style to fight misinformation: creating neat maps with QGIS based on real data.
Jashanpreet Singh

I have been honing my skills in the geospatial domain, gaining diverse experience in Climate tech startups, Agritech solutions, and Public urban transport planning. Throughout these experiences, I have heavily relied on Postgres + PostGIS, Python, and cloud technologies to drive my work.

My experience extends to working with satellite data (including Sentinel and Landsat), geospatial data modeling, and handling large datasets at scale in the cloud using Docker, Python, S3, etc

I am most interested in building a generic spatial-temporal database that can handle a wide variety of data and use cases (building digital earth in postgres)

  • Scaling Spatial Temporal Data Analysis with Postgres, PostGIS, TimescaleDB, and H3 Indexing: A Hands-On Workshop
Joana Simoes

Joana Simoes (she/her) is the Developer relations at OGC, taking the lead at connecting the standards with the developer community.
Joana has been working in the tech industry for more than fifteen years. After acquiring a PhD at UCL, her drive to solve real-world problems has led her to SMEs, an international organisation and a start-up.
Joana has been very much involved in the FOSS community, in particular in what concerns geospatial technologies.

Joana is the founder of ByteRoad, a SME in the field of data engineering and geospatial analytics.

  • Diving into pygeoapi
Jody Garnett

Jody Garnett is an open source developer and advocate working with GeoCat Canada. He has over 20 years experience consulting, training, building solutions, and guiding technology development. Jody is on the steering committee for the GeoServer, GeoTools, and JTS Topology Suite projects, and volunteers as chair of the OSGeo Incubation Committee.

  • Getting Started with GeoServer
Jorge Sanz

Hi, I'm Jorge and I'm from Valencia, Spain. My background is in Cartography and Geodesy, and I develop my professional career around Geospatial Information Systems and Open Source Software and Data. I'm currently working at the Presentation team at Elastic as a geospatial engineer, and I'm a Charter Member and long time contributor to OSGeo Foundation and OSM.

  • Web mapping with Elasticsearch
Just van den Broecke

Just van den Broecke is an independent Open Source geospatial professional working under the
trading name "Just Objects" - In his daily work
he designs, develops and deploys Open Source geospatial infrastructures, stacks and products.
He is a core contributor to Open Source projects like pygeoapi (also PSC), GeoHealthCheck, Stetl, and NLExtract. He is an OSGeo Charter Member and founder/chair of, the Dutch Local OSGeo Chapter.

  • Diving into pygeoapi
  • Doing Geospatial with Python
krishna lodha


I'm krishna, I'm a web GIS Developer focusing on FOSS stack. I help my clients escape the trap of paying $$$ every month for technologies, that are available for free using FOSS.
Apart from development, I also do lot of content creation at related to GIS

  • Doing Geospatial with Python
  • Styling Natural Earth with GeoServer
Lars Opsahl

Developer in SQL, Java and related tools for many years. Is working with projects like

  • Use Postgis Topology simplify/secure work with spatial data.
Lorenzo Natali

Software Engineer. MapStore core developer and technical lead.
Wide experience in Web technologies and performance optimization.

  • Introduction to MapStore, webmapping made simple
  • MapStore, a developers introduction
Luca Delucchi

Luca is an OSGeo and OSM contributor and advocate. He graduated in Geography at University of Genova (Italy) in 2008. Since the same year he work at Fondazione Edmund Mach, an institute near Trento. He is interested in all GIS features: desktop, web, geodatabase and geodata. He is contributor of GRASS GIS, pyModis, OSGeoLive and ZOO-Project.
He is active in the Italian community, He has been a board member for about 10 years and he was President of the Italian OSGeo local chapter for 3 years.
He was the chair of the FOSS4G 2022 held in Florence.

  • Scripting with pyQGIS for beginners
Luís M. de Sousa
  • Doing Geospatial with Python
Luka Stemberga

M.Eng in Geodesy and Geoinformatics, with over 5 years of experience in full-stack software development, GIS, remote sensing and data science. I'm currently working as full-stack SW developer. Due to my involvement in various LIST LABS projects (including ESA founded - Near-real Time Monitoring of Coastal Zone - A Change Detection by Machine Learning model), of which all include use of React and OpenLayers libraries, I gained sufficient knowledge to design and develop highly efficient algorithms and quality webapps.

  • 2D/3D WebGIS platform using React, OpenLayers and Cesium
Marcel Reinmuth

Research associate with
Geographie MSc.

Working on mobility, health, GIS and spatial statistics.

  • How to use openrouteservice in your GIS workflows: The case of disaster management
Marco Bernasocchi

Marco is an open-source advocate, entrepreneur and full-stack geoninja. He is the creator of QField, serves as Chair, and is an OSGeo board member. Marco is the CEO of, which he founded in 2011.

A geographer by trade, Marco lives in a small Romansh-speaking mountain village in Switzerland, where he loves scrambling around the mountains to enjoy the feeling of freedom it gives him. Outgoing, flexible and open-minded, Marco fluently speaks five languages. The best thing is: He not only knows how to say it but also loves sharing his know-how.

  • QField and QFieldCloud - seamless fieldwork for QGIS
Matic Lubej

A data scientist at Sinergise, Slovenia. Formal education: PhD from particle physics.

  • Exploring the FuseTS Toolbox: Fusing and Analyzing Multi-Source EO Time Series Data
  • eo-learn and eo-grow: from prototype to production in Earth Observation data science
  • Use Postgis Topology simplify/secure work with spatial data.
Miguel Castro Gomez
  • Detecting land cover change using high spatial, high temporal satellite imagery and open-source platforms
Mirna Bušić

Mirna is a master of engineering in geodesy and geoinformatics (specialized geoinformatics) who currently works as a Software developer in the Croatian company LIST LABS LLC. In addition to work, she recently completed an education program for Frontend development at Algebra University.

  • 2D/3D WebGIS platform using React, OpenLayers and Cesium
Paul van Genuchten

SDI specialist at ISRIC - World Soil Information. PSC; pygeoapi, GeoNetwork. INSPIRE, Soil, Data discovery, FAIR.

  • Doing Geospatial with Python
Pratichhya Sharma
  • Exploring the FuseTS Toolbox: Fusing and Analyzing Multi-Source EO Time Series Data
  • Earth observation data access & processing in openEO
Rajat Shinde
  • ZOO-Project: Introduction to the OGC API - Processes - Part 1: Core
Rhys Stewart

Rhys is a cofounder and spatial data architect of Auchindown, a small company in Jamaica that deals in all things spatial.

Rhys has over 15 years of experience analyzing, identifying and transforming spatial data into useful information and business insights helping companies to leverage data to make informed decisions. He has been using Postgresql/PostGIS since versions 8.0/pre 1.

He has a keen interest in using PostGIS in the electric utility space and is the developer behind Livewire which is a power delivery modeling and management cloud solution.

  • Advanced PostGIS: Beyond the basics.
Saber Razmjooei

Saber is CEO of Lutra Consulting, a leading company in providing open source GIS solutions for mobile, web and desktop.

Saber co-funded Lutra in 2009 and since then they have been an active member of QGIS community. He has lead several crowdfunding efforts to introduce key features in QGIS, including point clouds integration, 3D improvements and various formats (mesh, vector tiles).

  • Field data collection with Mergin Maps and QGIS
Santtu Pyykkönen

I'm Santtu Pyykkönen, a geospatial data expert with many years of experience in the field. As a charter member of OSGeo and a long-time attendee of the FOSS4G-conferences, I've been deeply involved in the open source geospatial community. I'm passionate about innovation and strive for excellence in all my work, and I've contributed to numerous successful geospatial projects over the years. I believe in the power of geospatial data to drive better decision-making, planning, and analysis, and I'm committed to sharing my expertise with others in the community.

  • Building an Enterprise GIS Workflow with QGIS and PostGIS
Sebastian Lopez

With over ten years of experience in software development, I have participated as a developer for multiple platforms with a range of languages and tools (including some that are now obsolete 😄). My strengths lie in front-end development with React Native and web, although I am also adept at back-end development when needed. I have had success with various projects using Mapbox/Maplibre as

  • Implementation of MapLibre Viewer with React and GeoNode as Vector Tiles Server

Shogo Hirasawa, a Spatial Informatics graduate student at the University of Tokyo, is recognized for his contributions to the United Nations Vector Tile Toolkit (UNVT). He has presented at various international conferences and represented Japan at the NASA International Space Apps Challenge. His educational journey includes the University of Tokyo and Aoyama Gakuin University. He has gained professional experience through internships at JAXA and Mapbox Japan, working on diverse projects like creating 3D content using lunar data and updating map content​

  • Development of UNVT Portable, a map server with OpenStreetMap pre-installed using a RaspberryPi on a local network in offline situations during disasters.
Stefaan Lippens

Stefaan is a software engineer specialized in large scale processing of earth observation data using open source software.

  • Earth observation data access & processing in openEO
Stefano Bovio

Frontend developer at GeoSolutions, interested in interactive maps and cartography

  • Introduction to MapStore, webmapping made simple
  • MapStore, a developers introduction
Tom Kralidis

Tom Kralidis is with the Meteorological Service of Canada and longtime contributor to FOSS4G. He contributes to numerous projects in the Geopython ecosystem.

Tom is the co-chair of the OGC API - Records Standards Working Group, chair of the WMO Expert Team on Metadata, and serves on the OSGeo Board.

  • Diving into pygeoapi
  • Doing Geospatial with Python
Vicky Vergara

Economist and Computer Scientist, pgRouting fan and developer.

Open Source Software advocate.

  • pgRouting project leader and developer since 2013 Including:
  • pgRouting,
  • pgRoutingLayers,
  • osm2pgRouting.
  • Google Summer of Code mentor since 2015
  • FOSS4G speaker since 2015
  • PSC member of OSGeoLive
  • PSC member of pgRouitng
  • PSC member of mobilityDB
  • Currently member of the Board of Directors of the OSGeo Foundation.
  • pgRouting Basic Workshop
Walter Lorenzetti

Django, Python developer and G3WSUITE development manager on the backend side

  • G3W-SUITE: publish and manage QGIS projects on the web
Walter Shilman

CTO of Kan Territory & IT.

  • Automation Geoprocessing of QGIS and GRASS with Airflow
  • Implementation of MapLibre Viewer with React and GeoNode as Vector Tiles Server
Yannick TANGUY

I'm working at CNES (the french space agency) and am specialised in data extraction from satellite images.
I'm also member of OTB Project Steering Committee.

  • Orfeo ToolBox guided tour : develop Python tools with OTB
Youssefi David

David Youssefi received the Electrical Engineering degree from the École Nationale Supérieure d’Electronique, Informatique, Télécommunications, Mathématique et Mécanique, Bordeaux, France. From 2013 to 2018, he was a Study Engineer at Communications et Systèmes, Toulouse, where he worked on remote sensing image processing especially in 3D processing. He is currently with the Centre National d’Etudes Spatiales (French Space Agency), Toulouse, as a Ground Segment Software Development Engineer, where he is responsible for software development for Pleiades and design for the future Earth Observation mission CO3D from CNES.

  • Discover CNES 3D open-source tools through a realistic scenario