- PADI Course Director since April 2000 (First 3 on Singapore)
- 14 years as PADI Instructor and 8 years as PADI Course Director
- PADI Specialty Instructor Trainer (18 Specialties) :
- Boat Diver
- Cavern Diver
- Drift Diver
- Deep Diver
- Dove Propulsion Vehicle (DPV) Diver
- Enriched Air Diver
- Equipment Specialist
- Multilevel Diver
- Night Diver
- Oxygen First Aid
- Peak Performance Buoyancy
- Rebreather – Dolphin/Atlantis
- Search and Recovery Diver
- Underwater Naturalist
- Underwater Navigator
- Underwater Photographer
- Underwater Videographer
- Wreck Diver
- PADI Emergency First Response (EFR) Instructor Trainer
- PADI Instructor Development Course (IDC) Trainer
- DSAT Tec Deep Instructor Trainer
- DSAT TecRec Gas Blender Instructor Trainer (Trimix)
- DAN Oxygen (O2) Instructor Trainer
- DAN Automated External Defibrillator (AED) Instrutor Trainer
- DAN First Aid for Hazardous Marine Life Injuiries (HMLI) Instructor Trainer
- IAHD Course Director/Instructor Trainer
- TDI Advanced Trimix Instructor
- Certified for repair/maintenance/servicing of:
- APEKS Mariner Equipment
- MARES Equipment
- OCEANIC First Stages & Second Stages
- TABATA Regulators
- U.S. DIVERS’ AQUA-LUNG Products
