Mapper since:
June 10, 2007

Hi, thanks for stopping by! My name is Martijn van Exel. I have been contributing to OSM as a mapper, community organizer and developer since 2007. I was on the OSMF board between 2015 and 2018 and on the OSM US board between 2012 and 2021. I created MapRoulette, the open source micro-tasking tool, and maintain some smaller OSM-related open source software projects. I run OpenStreetMap Utah. We hold monthly events where local mappers meet up. I have presented at many OSM conferences on a variety of topics. YouTube has some recordings.

I am available for consulting. My knowledge and experience could be helpful if your organization needs a better understanding of OSM: community, software and tooling, or data analysis. Currently, I work with the Mapillary and Rapid teams on development, business development and community relations.

You can message me here or in the OSM US Slack. If you happen to be in the Salt Lake City area, please drop me a line, I love to meet OSMers from everywhere!

I am on Mastodon.

My contributions to OSM in any form are on personal title unless otherwise stated.