Brian Tierney is an SSI and TDI certified SCUBA instructor and extended range Cave Diver.

He is certified to teach the following SSI classes:

• Open Water Diver
• Advanced Adventurer
• Advanced Open Water Diver
• Master Diver
• Orientation to Snorkeling
• Platinum 1000 Diver
• Recognition Card Various Designs
• SC Deep Diving
• SC Dry Suit Diving
• SC Enriched Air Nitrox Level 2 (40%)
• SC Night Diving and Limited Visibility
• SC Navigation
• SC Perfect Buoyancy
• SC Search & Recovery
• SC Snorkeling
• SC Science Of Diving
• SC Stress&Rescue
• SC Wreck Diving
• Scuba Diver
• Snorkeling Course
• Specialty Diver
• Cavern Diver
• Underwater Photography
• Underwater Video
• Sidemount
• SC Instructor Snorkeling   Dive Leader Training
• Dive Guide   Dive Leader Training
• Divemaster   Dive Leader Training
• Assistant Instructor   Dive Leader Training
• Scuba Skills Update
• Try Scuba Open Water
• Try Scuba Pool

And the following TDI classes:

• Intro to Tech
• Advanced Nitrox (100%)
• Decompression Diver
• Extended Range Diver