User YoSam.
YoSam. posted 23985 waymarks in 713 different categories within 6 countries and 43 regions, of these were 346 posted-first-in-region and also 3 posted-first-in-country.
Unfortunatly the user also has one waymark with a missing region in the database.
In the following list are the categories listed where YoSam. is or was an officer. The star denotes an active officer role, if it is golden then YoSam. is also the current leader of the category.