Classes I teach:
Discover Diving
Recreational Supervised Diver
Recreational Diver 1 - Nitrox
Recreational Diver 2 - Triox
Recreational Diver 3 - Trimix
GUE Fundamentals
Doubles Diver
Drysuit Diver
Navigation Primer
Rescue Primer
Triox Primer
DPV Diver 1
Gas Blender
View Scheduled Classes
Heison Chak
Toronto / Hong Kong
Phone: +1 416 417 8893 (whatsapp)Mobile phone: +1 315 882 6936 (mobile)
Email: heison@gue.com
Professional
- GUE Instructor
- Consultant (telephony, UNIX, networking)
Education
- B. Eng. Electrical, Ryerson University, Canada
- P. Eng. of Ontario
Diving Qualifications
- GUE Tech 2 Diver
- GUE CCR Diver
- GUE Cave 1 Diver
- GUE Fundamentals Instructor Mentor
- NAS 1 Diver
- DAN Instructor
- Gas Blender
- PSI Visual Inspector
Diving Experience
- certified 2003, GUE diver since 2012
- mixture of DPV, wreck, reef and decompression
Community Involvement
- Sport Safety Director, Ontario Underwater Council (OUC)
- Project Manager, GUE Project Baseline: Toronto
- Training Director, Ontario Underwater Explorers (OUE)
- Member, Toronto Area Underwater Explorers (TAUE)
- Member, GUE Ontario
- Member, North East Underwater Explorers (NEUE)
- Member, China Underwater Explorers (CUE)
- Co-founder, GUE Hong Kong
Special interests
- Photography
- Cycling
Publications
- Underwater Mapping Made Easy, H. Chak, Quest 18.3
Languages
- English
- Cantonese
- Mandarin