User dtrebilc 
dtrebilc 
posted 9139 waymarks in 500 different categories within 16 countries and 32 regions, of these were 688 posted-first-in-region and also 185 posted-first-in-country.
Unfortunatly the user also has 131 waymarks with a missing region in the database.
In the following list are the categories listed where dtrebilc is or was an officer. The star denotes an active officer role, if it is golden then dtrebilc is also the current leader of the category.
| active | Category | # Approvals | # Missings |
|---|---|---|---|
 Canal Tunnels | 64 | 1 | |
 Waterway Locks, Planes and Lifts | 2327 | 75 |