User dieSulzer 
dieSulzer 
posted 136 waymarks in 93 different categories within 14 countries and 24 regions, of these were 79 posted-first-in-region and also 10 posted-first-in-country.
In the following list are the categories listed where dieSulzer is or was an officer. The star denotes an active officer role, if it is golden then dieSulzer is also the current leader of the category.
| active | Category | # Approvals |
|---|---|---|
 Exceptional Tree Growth Ring Displays | 43 | |
 Fish Ladders | 44 | |
 Humming Stones | 45 |