User naj16 
naj16 
posted 447 waymarks in 143 different categories within 6 countries and 22 regions, of these were 99 posted-first-in-region and also 39 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 naj16 is or was an officer. The star denotes an active officer role, if it is golden then naj16 is also the current leader of the category.
| active | Category | # Approvals | # Missings |
|---|---|---|---|
 Bicycle Shops | 33 | 29 | |
 Rijksmonumenten - Dutch National Monuments | 399 | - |