Vem: Stilianos blev PADI Instructor 2002, IANTD Instructor 2005, IANTD IT 2009, SSI Instructor 2018, DAN IT och EFR IT 2015. Han dyker idag både öppet och slutet system, från grunda naturdyk till djupa vrakdyk. Stilianos har följande pro certifikat:
| IANTD | PADI | SSI | DAN | EFR |
| Adv Rec Trimix Instr | OW Instr | Master Instr | BLS Instr | EFR Instr |
| Normoxic Trimix Instr | Master Scuba Diver Trainer | CCR Poseidon Instr | AED Instr | Care for Children Instr |
| Trimix Instr | IDC Staff Instr | Rec Sidemount Instr | First Aid Instr | EFR IT |
| Wreck Instr | Master Instr | EAN Instr | Oxygen Instr | |
| OW Sidemount Instr | EAN Instr | Wreck Instr | Adv O2 instr | |
| Technical Wreck Instr | Dry suit Instr | Independent Instr | Aquatic Instr | |
| Inspiration Instr | Multilevel Instr | Gasblender EAN/Trimix Instr | HMLI Instr | |
| Vision Instr | U/W Navigator Instr | Night&Limited Visibility Instr | On-site Instr | |
| Poseidon CCR Instr | Wreck Instr | Search & Recovery Instr | DMFD Instr | |
| CCR Normoxic | U/W Video Instr | Equipment Tech Instr | BLSD Paediatric Instr | |
| CCR Trimix Instr | U/W Photo Instr | Deep diving Instr | BLS IT | |
| CCR Wreck Instr | Night Diver Instr | Full Face Mask Instr | AED IT | |
| Trimix blender Instr | Search and | Scooter Diving Instr | First Aid IT | |
| Diver FA Instr | Recovery Instr | UW Communic. Instr | Oxygen IT | |
| Adv Rec Trimix IT | Equipment Instr | Computer Diving Instr | Adv O2 IT | |
| Poseidon CCR IT | DPV Instr | Stress & Rescue Instr | Aquatic IT | |
| Life Support Service Tech IT | Sidemount Instr | React Right Instr | HMLI IT | |
| Gasblender IT | Oxygen Provider Instr | Science of Diving Instr | On-site IT | |
| Diver FA IT | Deep Diver Instr | Dive Guide | DMFD IT | |
| Specialty IT | Self-Reliant Instr | Shark Diving Instr | BLSD Paediatric IT | |
| Full Face Mask Instr | Perfect Buoyancy Instr | |||
| Tec Gasblender Trimix Instr | Boat Diving Instr | |||
| Tec Deep Instr | Photo & Video Instr | |||
| TMx45 Instr | Navigation Instr | |||
| TMx50 Instr | Dry suit Instr | |||
| Tec Trimix Instr | XR Instr | |||
| Adv Wreck Instr | XR EAN Instr | |||
| Technical Rescue Instr | XR Trimix Instr | |||
| Poseidon CCR Instr | Tech XR Instr | |||
| AP Evolution Instr | XR Hypoxic Trimix Instr | |||
| Tec40 CCR Poseidon Instr | XR Technical Wreck Instr | |||
| Tec40 CCR APD instr | ||||
| Tec60 CCR Poseidon Instr | ||||
| Tec60 CCR APD Instr | ||||
| Tec100 CCR Poseidon Instr | ||||
| Tec100 CCR APD Instr |
Vad: Stilianos främsta mål inom dykning är att alltid lära sig nytt, förbättra det han redan kan och att erbjuda service utöver det vanliga.