Your Complete Professional Development Journey in Khao Lak, Thailand
With Ed Bosworth – Professional Diver Training
In partnership with Go2Similan Diving
Become a Professional Diving Educator – Step by Step
Whether you’re beginning your teaching journey or advancing toward senior instructor status, Professional Diver Training provides a complete pathway from Instructor Development all the way to IDC Staff Instructor & beyond.
Under the guidance of Ed Bosworth, you’ll train in one of Thailand’s top diving locations with professional mentoring, hands-on workshops, and real-world teaching experience.
This pathway is designed to develop confident, knowledgeable, and employable dive professionals fully prepared for today’s global dive industry.
AI → OWSI Upgrade
(For certified Assistant Instructors or equivalent)
Upgrade from AI to full Open Water Scuba Instructor by joining the second half of the IDC.
You will learn:
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Teaching presentations (classroom, confined water, open water)
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Risk management and standards
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Coaching and student control
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IE preparation
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Professional teaching techniques
Duration: 6–8 days
Price: 28,000 THB
Full details on the AI → OWSI page.
Instructor Development Course (IDC)
Become a certified PADI Instructor.
Choose between three IDC packages depending on your goals:
BASIC IDC – 39,700 THB
Complete IDC + EFR Instructor + lunches + shared accommodation.
“EXTRA PRACTICE” IDC – 49,700 THB
Basic IDC plus extended practice + Nitrox & O2 Provider Instructor ratings.
“READY TO WORK” IDC – 59,700 THB
28-day IDC including Similan dives, extra practice, Nitrox & O2 Provider, staff introductions and experience.
All packages exclude PADI materials and PADI fees.
Full details on the IDC Overview page.
EFR Instructor (EFRI)
Required for all new PADI Instructors.
Included in all IDC packages or available independently.
What you will learn:
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CPR, First Aid, Care for Children
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AED skills
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How to teach and structure emergency courses
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How to evaluate students safely
Duration: 1 day
Price: 10,000 THB (included free with IDC)
Full details on the EFR Instructor page.
MSDT Preparation – 5 Specialty Instructor Ratings
Become a multi-talented instructor and increase employability.
Gain at least 5 PADI Specialty Instructor ratings and optional real teaching experience.
Benefits:
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Teach more courses (and earn more income)
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Higher employment value
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Required for IDC Staff Instructor
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Builds real teaching experience
Duration: 3–5 days
Price: 15,000 THB (5 specialties)
Additional specialties: 3,000 THB each
Full details on the MSDT Prep page.
IDC Staff Instructor
Train instructor candidates and join the IDC teaching team.
This leadership-level instructor course teaches you how to:
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Evaluate IDC candidates
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Run IDC workshops
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Support a Course Director
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Deliver classroom, pool, and open water sessions
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Mentor new instructors
Duration: 3–17 days depending on involvement
Price: 25,000 THB (full course)
20,000 THB (when staffing your own IDC)
Full details on the IDC Staff Instructor page.
Staff Development (Ongoing Professional Mentoring)
After becoming IDC Staff, continue developing into a senior educator.
This includes:
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Real candidate evaluation
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Workshop leadership
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Standards mastery
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Coaching techniques
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Preparing for Master Instructor
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Long-term mentorship with Ed
Duration: Flexible
Price: 12,000–20,000 THB depending on module
Full details on the Staff Development page.
Full Pathway Summary (At a Glance)
Instructor Level Progression
AI → OWSI Upgrade
↓
IDC (Basic / Extra Practice / Ready to Work)
↓
EFR Instructor
↓
MSDT Preparation
↓
IDC Staff Instructor
↓
Staff Development / Leadership Coaching
Suggested Bundled Pathways
⭐ Instructor Fast-Track Package
AI → OWSI + IDC + EFRI
Perfect for those upgrading quickly.
⭐ Career Instructor Package
IDC + EFRI + MSDT Prep
For instructors aiming to work immediately.
⭐ Professional Leadership Package
IDC + MSDT Prep + IDC Staff Instructor
Ideal for those aiming for senior instructor roles or Master Instructor.
⭐ Full Career Mentor Pathway
AI → OWSI + IDC + EFRI + MSDT + Staff Instructor + Staff Development
Your complete journey to dive-industry leadership.
Start Your Professional Diving Career Today
Whether you're upgrading to OWSI, preparing for your IDC, or moving toward staff-level leadership, we will help you every step of the way.
Contact Professional Diver Training or Go2Similan Diving for dates, availability, and custom packages.