| Brevetten |
| Instructor Trainer Eanx & Trimix Gas Blender |
| Instructeur Trainer normoxic |
| Instructor trainer Wreck |
| Instructor Trainer Trimix |
| Instructor Advanced EANx |
| Instructor Advanced Recreational Trimix |
| Instructor Trainer Trimix CCR |
| Instructor Technical |
| Instructor Trimix OC |
| Instructor Trainer Intro to Cave |
| Instructor Trainer OW Side Mount |
| Instructor Trainer CCR Shark |
| Instructor Trainer Sentinel |
| Instructor ART CCR - Inspiration |
| Instructeur Trainer Inspiration |
| Instructor ART CCR - ourobouros |
| Instructor Trainer Trainer Trimix |
| Instructor Trainer Trainer CCR |
| Instructor ART CCR - Sentinel |
| Instructor ART CCR - XCCR |
| Instructor Cavern |
| Instructor OW side mount |
| Northsea Wreck specialty instructor |