Data Conference Databasea Query.Farm index
Speakers

Tom Kralidis

Employers on the program

  1. 2022–2026Meteorological Service of Canada53 talks
  2. 2019OSGeo3 talks

The year around now

Talks in the past 12 months and announced talks ahead, one row per conference, January to December. Hover a mark for the talk.

Held in the past 12 months Next 12 months Today, Nov 9, 2026

Appearances by year

201920202021202220232024202520262027
  • FOSS4G
  • FOSS4G Europe
  • FOSS4G North America
  • GeoPython

Talks

DateEventConferenceRoleTitleLinks
Nov 2, 2026FOSS4G North America 2026FOSS4G North AmericaspeakerOpen Source Geospatial Foundation updates
as Meteorological Service of Canada
A short history and overview of the Foundation. Then we focus on new developments for OSGeo and what that means for the community. Finally we focus on OSGeo in…Show less

A short history and overview of the Foundation. Then we focus on new developments for OSGeo and what that means for the community. Finally we focus on OSGeo in a changing world and what that means for the foundation.

Nov 2, 2026FOSS4G North America 2026FOSS4G North Americaspeakerpygeoapi project status
as Meteorological Service of Canada

pygeoapi is an OGC API Reference Implementation with a significant international install base in government and industry.

Aug 30, 2026FOSS4G 2026FOSS4GworkshopDiving into pygeoapi Workshop
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Aug 30, 2026FOSS4G 2026FOSS4GworkshopDoing Geospatial with Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Aug 30, 2026FOSS4G 2026FOSS4GkeynoteOSGeo - Looking Ahead
as Meteorological Service of Canada

The session will be featuring the three keynote speakers together with OSGeo President Jeroen Ticheler and several current OSGeo leaders and contributors.

Aug 30, 2026FOSS4G 2026FOSS4GspeakerOSGeo and OGC MoU update
as Meteorological Service of Canada
Open Software and Open Standards are complementary pieces of the geospatial ecosystem. In 2022, OSGeo and OGC signed a new Memorandum of Understanding (MoU)…Show less

Open Software and Open Standards are complementary pieces of the geospatial ecosystem. In 2022, OSGeo and OGC signed a new Memorandum of Understanding (MoU) that aims to benefit the mission and goals of both organizations.

Aug 30, 2026FOSS4G 2026FOSS4Gspeakerpycsw project status
as Meteorological Service of Canada

pycsw project status presentation. Come and find out the latest news on the project as well as future plans, and how to get involved!

Aug 30, 2026FOSS4G 2026FOSS4Gspeakerpygeoapi project status
as Meteorological Service of Canada

pygeoapi project status presentation. Come and find out the latest news on the project as well as future plans, and how to get involved!

Jun 29, 2026FOSS4G Europe 2026FOSS4G EuropeworkshopDiving into pygeoapi Workshop
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Jun 29, 2026FOSS4G Europe 2026FOSS4G EuropeworkshopDoing Geospatial in Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Jun 29, 2026FOSS4G Europe 2026FOSS4G EuropespeakerFederated search using pycsw
as Meteorological Service of Canada
As large repositories of EO data become increasingly available, the ability to search across these repositories and archives of data is paramount importance to…Show less

As large repositories of EO data become increasingly available, the ability to search across these repositories and archives of data is paramount importance to address the geospatial data and metadata explosion.

Jun 29, 2026FOSS4G Europe 2026FOSS4G Europespeakerpygeoapi project status
as Meteorological Service of Canada
pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks…Show less

pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks (Flask, Starlette, Django) and a fully integrated OpenAPI capability.

Jun 29, 2026FOSS4G Europe 2026FOSS4G EuropekeynoteThe Open Source for Geospatial Foundation keynote
as Meteorological Service of Canada
Introduction to the OSGeo Foundation. We will present a short history and overview of the foundation structure. Then we focus on new developments for OSGeo and…Show less

Introduction to the OSGeo Foundation. We will present a short history and overview of the foundation structure. Then we focus on new developments for OSGeo and what that means for Europe. Finally we focus on OSGeo in a changing world and what that means for the foundation.

Nov 17, 2025FOSS4G 2025FOSS4GworkshopDiving into pygeoapi Workshop
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Nov 17, 2025FOSS4G 2025FOSS4GworkshopDoing Geospatial with Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Nov 17, 2025FOSS4G 2025FOSS4GspeakerOGC CITE Runner: a Pythonic convenience runner for OGC compliance testing
as Meteorological Service of Canada
ogc-cite-runner is a software to help automate OGC CITE compliance testing for geospatial web applications. It can be used either as a GitHub action or…Show less

ogc-cite-runner is a software to help automate OGC CITE compliance testing for geospatial web applications. It can be used either as a GitHub action or standalone. Learn more about it at https://osgeo.github.io/ogc-cite-runner/

Nov 17, 2025FOSS4G 2025FOSS4GspeakerOSGeo and OGC MoU update
as Meteorological Service of Canada
Open Software and Open Standards are complementary pieces of the geospatial ecosystem. In 2022, OSGeo and OGC signed a new Memorandum of Understanding (MoU)…Show less

Open Software and Open Standards are complementary pieces of the geospatial ecosystem. In 2022, OSGeo and OGC signed a new Memorandum of Understanding (MoU) that aims to benefit the mission and goals of both organizations.

Nov 17, 2025FOSS4G 2025FOSS4Gspeakerpycsw project status
as Meteorological Service of Canada

pycsw project status presentation. Come and find out the latest news on the project as well as future plans, and how to get involved!

Nov 17, 2025FOSS4G 2025FOSS4Gspeakerpygeoapi project status
as Meteorological Service of Canada

pygeoapi project status presentation. Come and find out the latest news on the project as well as future plans, and how to get involved!

Nov 17, 2025FOSS4G 2025FOSS4Gspeakerpygeometa project status
as Meteorological Service of Canada

pygeometa project status presentation. Come and find out the latest news on the project as well as future plans, and how to get involved!

Jul 14, 2025FOSS4G Europe 2025FOSS4G EuropeworkshopDiving into pygeoapi
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Jul 14, 2025FOSS4G Europe 2025FOSS4G EuropeworkshopDoing Geospatial with Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Jul 14, 2025FOSS4G Europe 2025FOSS4G Europespeakerpycsw project status
as Meteorological Service of Canada

pycsw is an OGC API - Records and OGC CSW server implementation written in Python.

Jul 14, 2025FOSS4G Europe 2025FOSS4G Europespeakerpygeoapi project status
as Meteorological Service of Canada
pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks…Show less

pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks (Flask, Starlette, Django) and a fully integrated OpenAPI capability.

Jul 14, 2025FOSS4G Europe 2025FOSS4G Europespeakerpygeometa project status
as Meteorological Service of Canada
pygeometa provides a lightweight and Pythonic approach for users to easily create geospatial metadata in standards-based formats using simple configuration…Show less

pygeometa provides a lightweight and Pythonic approach for users to easily create geospatial metadata in standards-based formats using simple configuration files (affectionately called metadata control files [MCF]).

Dec 2, 2024FOSS4G 2024FOSS4GworkshopDiving into pygeoapi
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Dec 2, 2024FOSS4G 2024FOSS4GworkshopDoing Geospatial with Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Dec 2, 2024FOSS4G 2024FOSS4GspeakerGeoHealthCheck - QoS Monitor for Geospatial Web Services
as Meteorological Service of Canada
Keeping (OGC) Geospatial Web Services up-and-running is best accommodated by continuous monitoring: not only downtime needs to be guarded, but also whether the…Show less

Keeping (OGC) Geospatial Web Services up-and-running is best accommodated by continuous monitoring: not only downtime needs to be guarded, but also whether the services are functioning correctly and do not suffer from performance and/or other Quality of Service (QoS) issues.

Dec 2, 2024FOSS4G 2024FOSS4GspeakerOSGeo and OGC MoU in full swing!
as Meteorological Service of Canada
Open Software and Open Standards are complementary pieces of the geospatial ecosystem. In January 2022, OSGeo and OGC signed a new and updated version of the…Show less

Open Software and Open Standards are complementary pieces of the geospatial ecosystem. In January 2022, OSGeo and OGC signed a new and updated version of the Memorandum of Understanding (MoU) that aims to maximize the achievement of the mission and goals of both organizations.

Dec 2, 2024FOSS4G 2024FOSS4Gspeakerpygeoapi project status
as Meteorological Service of Canada
pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks…Show less

pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks (Flask, Starlette, Django) and a fully integrated OpenAPI capability.

Dec 2, 2024FOSS4G 2024FOSS4Gspeakerpygeometa project status
as Meteorological Service of Canada
pygeometa provides a lightweight and Pythonic approach for users to easily create geospatial metadata in standards-based formats using simple configuration…Show less

pygeometa provides a lightweight and Pythonic approach for users to easily create geospatial metadata in standards-based formats using simple configuration files (affectionately called metadata control files [MCF]).

Dec 2, 2024FOSS4G 2024FOSS4GkeynoteWMO and FOSS4G: a new horizon of open geospatial tools for weather/climate/water data
as Meteorological Service of Canada
Open-source software has become increasingly crucial for the World Meteorological Organization (WMO) and its Members, particularly those in developing…Show less

Open-source software has become increasingly crucial for the World Meteorological Organization (WMO) and its Members, particularly those in developing countries, Least Developed Countries (LDCs), and Small Island Developing States (SIDS).

Jul 1, 2024FOSS4G Europe 2024FOSS4G EuropespeakerA fun way to do spatial cataloguing and publishing using pygeometa and mdme
as Meteorological Service of Canada

Metadata, YAML files and pipelines? When I try to convince my colleagues that the approach mentioned in this presentation is fun, they look at me alienated.

Jul 1, 2024FOSS4G Europe 2024FOSS4G EuropeworkshopDiving into pygeoapi
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Jul 1, 2024FOSS4G Europe 2024FOSS4G EuropeworkshopDoing Geospatial in Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Jul 1, 2024FOSS4G Europe 2024FOSS4G Europespeakerpygeoapi mid-year update
as Meteorological Service of Canada
pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks…Show less

pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks (Flask, Starlette, Django) and a fully integrated OpenAPI capability.

Jun 26, 2023FOSS4G 2023FOSS4GworkshopDiving into pygeoapi
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Jun 26, 2023FOSS4G 2023FOSS4GworkshopDoing Geospatial with Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Jun 26, 2023FOSS4G 2023FOSS4GspeakerGeoconnex.us: a standards based framework to discover water data
as Meteorological Service of Canada

The Web has an increasing number of web applications being developed to freely provide their information and is a hub for open data publishing.

Jun 26, 2023FOSS4G 2023FOSS4GspeakerGeoHealthCheck - QoS Monitor for Geospatial Web Services
as Meteorological Service of Canada
Keeping (OGC) Geospatial Web Services up-and-running is best accommodated by continuous monitoring: not only downtime needs to be guarded, but also whether the…Show less

Keeping (OGC) Geospatial Web Services up-and-running is best accommodated by continuous monitoring: not only downtime needs to be guarded, but also whether the services are functioning correctly and do not suffer from performance and/or other Quality of Service (QoS) issues.

Jun 26, 2023FOSS4G 2023FOSS4GspeakerHow to join OSGeo (for projects)
as Meteorological Service of Canada

Welcome to the Open Source Geospatial Foundation, proud hosts of FOSS4G, and advocate for free and open source geospatial software everywhere.

Jun 26, 2023FOSS4G 2023FOSS4GspeakerOSGeo and OGC MoU: one year later!
as Meteorological Service of Canada
In January 2022, OSGeo and [OGC](https://www.ogc.org/) signed a new and [updated version of the Memorandum of Understanding…Show less

In January 2022, OSGeo and [OGC](https://www.ogc.org/) signed a new and [updated version of the Memorandum of Understanding (MoU)](https://www.ogc.org/pressroom/pressreleases/4709) that aims to maximize the achievement of the mission and goals of the two organizations: promoting…

Jun 26, 2023FOSS4G 2023FOSS4Gspeakerpycsw project status 2023
as Meteorological Service of Canada
pycsw is an OGC CSW server implementation written in Python and is an official OSGeo Project. pycsw implements clause 10 HTTP protocol binding - Catalogue…Show less

pycsw is an OGC CSW server implementation written in Python and is an official OSGeo Project. pycsw implements clause 10 HTTP protocol binding - Catalogue Services for the Web, CSW of the OpenGIS Catalogue Service Implementation Specification, version 3.0.0 and 2.0.2.

Jun 26, 2023FOSS4G 2023FOSS4Gspeakerpygeoapi project status 2023
as Meteorological Service of Canada
pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks…Show less

pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks (Flask, Starlette, Django) and a fully integrated OpenAPI capability.

Aug 22, 2022FOSS4G 2022FOSS4GworkshopDiving into pygeoapi
as Meteorological Service of Canada
pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using…Show less

pygeoapi is an OGC Reference Implementation supporting numerous OGC API specifications. This workshop will cover publishing geospatial data to the Web using pygeoapi in support of the suite of OGC API standards.

Aug 22, 2022FOSS4G 2022FOSS4GworkshopDoing Geospatial with Python
as Meteorological Service of Canada
This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and…Show less

This workshop will provide an introduction to performing common GIS/geospatial tasks using Python geospatial tools such as OWSLib, Shapely, Fiona/Rasterio, and common geospatial libraries like GDAL, PROJ, pycsw, as well as other tools from the geopython toolchain.

Aug 22, 2022FOSS4G 2022FOSS4GspeakerGeoHealthCheck - QoS Monitor for Geospatial Web Services
as Meteorological Service of Canada
Keeping (OGC) Geospatial Web Services up-and-running is best accommodated by continuous monitoring: not only downtime needs to be guarded, but also whether the…Show less

Keeping (OGC) Geospatial Web Services up-and-running is best accommodated by continuous monitoring: not only downtime needs to be guarded, but also whether the services are functioning correctly and do not suffer from performance and/or other Quality of Service (QoS) issues.

Aug 22, 2022FOSS4G 2022FOSS4GspeakerHow to join OSGeo (for projects)
as Meteorological Service of Canada

Welcome to the Open Source Geospatial Foundation, proud hosts of FOSS4G, and advocate for free and open source geospatial software everywhere.

Aug 22, 2022FOSS4G 2022FOSS4GspeakerImplementing OGC APIs using Elasticsearch and pygeoapi
as Meteorological Service of Canada
The Open Geospatial Consortium API family of standards (OGC API) are being developed to make it easy for anyone to provide geospatial data to the web, and are…Show less

The Open Geospatial Consortium API family of standards (OGC API) are being developed to make it easy for anyone to provide geospatial data to the web, and are the next generation of geospatial web API standards designed with resource-oriented architecture, RESTful principles and…

Aug 22, 2022FOSS4G 2022FOSS4GspeakerIntroducing WIS 2.0 in a box: an open source and open standards platform for international weather, climate and water data discovery, access, and visualization
as Meteorological Service of Canada
The World Meteorological Organization (WMO) Information System (WIS) is a coordinated global infrastructure responsible for telecommunications and data…Show less

The World Meteorological Organization (WMO) Information System (WIS) is a coordinated global infrastructure responsible for telecommunications and data management functions and is owned and operated by WMO Members.

Aug 22, 2022FOSS4G 2022FOSS4Gspeakerpycsw project status 2022
as Meteorological Service of Canada
pycsw is an OGC CSW server implementation written in Python and is an official OSGeo Project. pycsw implements clause 10 HTTP protocol binding - Catalogue…Show less

pycsw is an OGC CSW server implementation written in Python and is an official OSGeo Project. pycsw implements clause 10 HTTP protocol binding - Catalogue Services for the Web, CSW of the OpenGIS Catalogue Service Implementation Specification, version 3.0.0 and 2.0.2.

Aug 22, 2022FOSS4G 2022FOSS4Gspeakerpygeoapi project status 2022
as Meteorological Service of Canada
pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks…Show less

pygeoapi is an OGC API Reference Implementation. Implemented in Python, pygeoapi supports numerous OGC APIs via a core agnostic API, different web frameworks (Flask, Starlette, Django) and a fully integrated OpenAPI capability.

Aug 22, 2022FOSS4G 2022FOSS4GkeynoteWe are Open! OGC and OSGeo Collaboration
as Meteorological Service of Canada
The Open Geospatial Consortium (OGC) and the Open Source Geospatial Foundation (OSGeo) have a long and natural tradition of collaborating. In 2022, the…Show less

The Open Geospatial Consortium (OGC) and the Open Source Geospatial Foundation (OSGeo) have a long and natural tradition of collaborating. In 2022, the Memorandum of Understanding between both organizations was updated - to pay tribute to ongoing and future activities.

Aug 26, 2019FOSS4G 2019FOSS4GworkshopDoing Geospatial with Python
as OSGeo
Aug 26, 2019FOSS4G 2019FOSS4GspeakerGeoHealthCheck: QoS Monitor for Geospatial Web Services
as OSGeo
Aug 26, 2019FOSS4G 2019FOSS4GspeakerNext generation OGC web services with pygeoapi
as OSGeo
Jun 24, 2019GeoPython 2019GeoPythonspeakerGeoHealthCheck: QoS Monitor for Geospatial Web Services

Frequent co-speakers

Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.