The head instructor Kostas has a professional diving working experience of more than 25 years.

Kostas has participated in numerous diving projects in Greece and Worldwide. He the owner of Pro Divers and is professionally involved in the following underwater commercial jobs:

• Maintenance of In-Water & Underwater piping
• Construction – Maintenance of Ports
• Maintenance, of Off-shore U/W Oil-Drilling Platform Installations
• Construction-Placement, of In-Water distilled sewage piping
• Designing-Placement of In-Water Mooring in Sea-Farming Installations
• Underwater Search and Salvage, of equipment and materials
• In-water and Underwater Surveys and Maintenance of Vessels
  Wreck and Deep Wreck Salvage
• Placement of Underwater Electricity and Telecommunication