- SCUBA Diving Instructor since 2007
- ANDI Sport & Technical Instructor Trainer (SafeAir – Normoxic TriMix L3)
- Rebreather JJ-CCR L2, Technical TriMix Wreck L3 & Gas Blender Instructor
- First Response Instructor
- Certified Fitness/Personal Trainer, Specialist in Sports Nutrition & Tactical Conditioning Specialist (https://deepfit.eu)
- Commercial diver & public safety diver certified
- Long range mariner (since 1992) with extensive expedition cruise ships & private/charter large superyachts experience (https://yachtdiver.eu)