GUE utilizes meticulous care in the selection and training of their instructors; a thorough apprentice program together with a rigorous evaluation period help to insure the best quality representatives.
Instructor Training Programs
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Filter by Course -- Select Course -- Recreational Discover Diving Recreational Supervised Diver Recreational Diver 1 - Nitrox Recreational Diver 2 - Triox Recreational Diver 3 - Trimix Foundational GUE Fundamentals Doubles Diver Drysuit Diver DPV Diver 1 Documentation Diver Photogrammetry Diver Scientific Diver Gas Blender Triox Primer Navigation Primer Rescue Primer Cave Cave Diver 1 Cave Diver 2 Cave Diver 3 Underwater Cave Survey Cave Sidemount CCR Cave DPV Cave Technical Technical Diver 1 Technical Diver 2 Technical Diver 3 CCR Diver 1 CCR Diver 2 PSCR Diver Apprentice Project: Cave 2 Apprentice Project: Tech 2 GUE-DAN Courses BLS-D & Oxygen First Aid Advanced Oxygen First Aid & Neuro First Aid & Marine Life Injuries
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Click the
for each instructor to see what courses they can teach. Click their name to open their resume.
GUE Instructor Trainers (IT) and Evaluators (IE) are tasked with developing and evaluating GUE instructors.
Austria
Osama Gobara Quintana Roo, Mexico
Vienna, Austria Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
GUE Fundamentals
Doubles Diver
Drysuit Diver
DPV Diver 1
DPV Cave
Cave Diver 1
Cave Diver 2
Cave Sidemount
View Scheduled Classes Brazil
Ricardo Constantino (
IE )
Spain
Brazil Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
Technical Diver 2
PSCR Diver
View Scheduled Classes Croatia
Sven Nelles Cologne/Köln, Germany
Croatia Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
BLS-D & Oxygen First Aid
View Scheduled Classes Zsolt Szilagyi (
IT )
Hungary
Croatia Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Cave Sidemount
Technical Diver 1
View Scheduled Classes France
Andrea Marassich (
IE )
Italy
France Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Cave Sidemount
CCR Diver 1
View Scheduled Classes Ferry Schram Vinkeveen, Netherlands
France Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Cave Diver 1
Triox Cave Upgrade
View Scheduled Classes Irene Homberger (
IE )
Switzerland
France Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Cave Diver 1
Triox Cave Upgrade
BLS-D & Oxygen First Aid
BLS-D & Oxygen First Aid Refresher
View Scheduled Classes Germany
JP Bresser (
IE )
Vinkeveen, Netherlands
Germany Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
CCR Diver 1
CCR Diver 2
CCR Cave
View Scheduled Classes Peter Gaertner (
IT )
Stuttgart, Germany
Sardinia, Italy Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Gas Blender
Cave Diver 1
Triox Cave Upgrade
BLS-D & Oxygen First Aid
BLS-D & Oxygen First Aid Refresher
Advanced Oxygen First Aid & Neuro
View Scheduled Classes Sven Nelles Cologne/Köln, Germany
Croatia Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
BLS-D & Oxygen First Aid
View Scheduled Classes Hungary
Emőke Wagner Quintana Roo, Mexico
Sopron, Hungary Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
View Scheduled Classes Zsolt Szilagyi (
IT )
Hungary
Croatia Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Cave Sidemount
Technical Diver 1
View Scheduled Classes Italy
Andrea Marassich (
IE )
Italy
France Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Cave Sidemount
CCR Diver 1
View Scheduled Classes Peter Gaertner (
IT )
Stuttgart, Germany
Sardinia, Italy Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Gas Blender
Cave Diver 1
Triox Cave Upgrade
BLS-D & Oxygen First Aid
BLS-D & Oxygen First Aid Refresher
Advanced Oxygen First Aid & Neuro
View Scheduled Classes Korea (South)
Kyungsoo Kim (
IE )
South Korea
Philippines Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
Technical Diver 2
CCR Diver 1
CCR Diver 2
View Scheduled Classes Malta
John Kendall (
IE )
Puerto Aventuras, Mexico
St Julians, Malta Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Photogrammetry Diver
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
Technical Diver 2
CCR Diver 1
CCR Diver 2
BLS-D & Oxygen First Aid
BLS-D & Oxygen First Aid Instructor
View Scheduled Classes Mexico
Annika Persson (
IE )
Sweden, Norway
Quintana Roo, Mexico Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
View Scheduled Classes Christophe Le Maillot (
IE )
Quintana Roo, Mexico
Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
DPV Diver 1
DPV Cave
Cave Diver 1
Cave Diver 2
Cave Sidemount
PSCR Diver
View Scheduled Classes Daniel Riordan (
IE )
Quintana Roo / Baja California, Mexico
San Diego, USA Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Cave Diver 1
Cave Diver 2
View Scheduled Classes Emőke Wagner Quintana Roo, Mexico
Sopron, Hungary Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
View Scheduled Classes Fred Devos (
IE )
Puerto Aventuras, Mexico
Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Cave Diver 1
Cave Diver 2
Cave Sidemount
Underwater Cave Survey
View Scheduled Classes Ivo Chiarino Tulum, Quintana Roo, Mexico
Barcelona, Spain Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
View Scheduled Classes John Kendall (
IE )
Puerto Aventuras, Mexico
St Julians, Malta Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Photogrammetry Diver
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
Technical Diver 2
CCR Diver 1
CCR Diver 2
BLS-D & Oxygen First Aid
BLS-D & Oxygen First Aid Instructor
View Scheduled Classes Jon Kieren High Springs, Florida, USA
Tulum, Mexico Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Cave Diver 1
View Scheduled Classes Kelvin Davidson Tulum, Quintana Roo, Mexico
New Zealand Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
DPV Diver 1
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
CCR Diver 1
View Scheduled Classes Osama Gobara Quintana Roo, Mexico
Vienna, Austria Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
GUE Fundamentals
Doubles Diver
Drysuit Diver
DPV Diver 1
DPV Cave
Cave Diver 1
Cave Diver 2
Cave Sidemount
View Scheduled Classes Netherlands
Ferry Schram Vinkeveen, Netherlands
France Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Cave Diver 1
Triox Cave Upgrade
View Scheduled Classes JP Bresser (
IE )
Vinkeveen, Netherlands
Germany Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
CCR Diver 1
CCR Diver 2
CCR Cave
View Scheduled Classes New Zealand
Kelvin Davidson Tulum, Quintana Roo, Mexico
New Zealand Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
DPV Diver 1
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
CCR Diver 1
View Scheduled Classes Norway
Annika Persson (
IE )
Sweden, Norway
Quintana Roo, Mexico Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
View Scheduled Classes Philippines
Kyungsoo Kim (
IE )
South Korea
Philippines Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
Technical Diver 2
CCR Diver 1
CCR Diver 2
View Scheduled Classes Russia
Kirill A. Egorov (
IE )
Florida, USA
Moscow, Russia Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Cave Diver 1
Cave Diver 2
Cave Diver 3
Triox Cave Upgrade
Cave Sidemount
Technical Diver 1
Technical Diver 2
Technical Diver 3
CCR Diver 1
CCR Diver 2
CCR Cave
Apprentice Project: Cave 2
View Scheduled Classes Singapore
Gideon Liew (
IE )
Singapore
Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Gas Blender
Cave Diver 1
Technical Diver 1
Technical Diver 2
Technical Diver 3
PSCR Diver
View Scheduled Classes Spain
Ivo Chiarino Tulum, Quintana Roo, Mexico
Barcelona, Spain Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Cave Diver 1
Triox Cave Upgrade
Technical Diver 1
View Scheduled Classes Ricardo Constantino (
IE )
Spain
Brazil Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
Technical Diver 2
PSCR Diver
View Scheduled Classes Sweden
Per Normark Sweden
Ukraine Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Cave Diver 1
View Scheduled Classes Switzerland
Irene Homberger (
IE )
Switzerland
France Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Cave Diver 1
Triox Cave Upgrade
BLS-D & Oxygen First Aid
BLS-D & Oxygen First Aid Refresher
View Scheduled Classes Ukraine
Per Normark Sweden
Ukraine Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
Cave Diver 1
View Scheduled Classes United States
Daniel Riordan (
IE )
Quintana Roo / Baja California, Mexico
San Diego, USA Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Cave Diver 1
Cave Diver 2
View Scheduled Classes David Rhea (
IE )
USA
Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Cave Diver 1
Cave Diver 2
Technical Diver 1
PSCR Diver
View Scheduled Classes Jon Kieren High Springs, Florida, USA
Tulum, Mexico Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Cave Diver 1
View Scheduled Classes Kirill A. Egorov (
IE )
Florida, USA
Moscow, Russia Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Cave Diver 1
Cave Diver 2
Cave Diver 3
Triox Cave Upgrade
Cave Sidemount
Technical Diver 1
Technical Diver 2
Technical Diver 3
CCR Diver 1
CCR Diver 2
CCR Cave
Apprentice Project: Cave 2
View Scheduled Classes Mark Messersmith (
IE )
USA
Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Scientific Diver
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Cave Sidemount
View Scheduled Classes Meredith Tanguay (
IE )
Mid-Atlantic, Northeast, Midwest, USA
North/South Florida and Hawaii, USA Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Triox Primer
Rescue Primer
Navigation Primer
DPV Diver 1
DPV Cave
Documentation Diver
Gas Blender
Cave Diver 1
Cave Diver 2
Triox Cave Upgrade
Technical Diver 1
View Scheduled Classes