I'm mostly active in The Hague, The Netherlands.
My contributions to OSM include the following.
- I am contributing to the main CartoCSS stylesheet, in particular to the rendering of roads.
- I am coordinating and documenting the use of tags for shops.
- I have mapped a large number of shops in Luxembourg and Birmingham.
- I have mapped foot and bike paths in Luxembourg.
- I have traced a large number of buildings in Luxembourg.