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Are you ready to become a TDI Instructor Trainer?



What it Means, What it Takes, and Where to Begin

by Jon Kieren

TDI Instructor Trainers (IT) are viewed in the industry as the most knowledgeable, experienced, and talented dive educators. They are considered the top of the top or the crème of the crop.

Why is that?

TDI strongly believes that in order to train instructors at their highest level, an educator needs to have real world experience diving and teaching at that level. Once a TDI Instructor gains the requisite diving and teaching experience, they will need to prove themselves in an Instructor Trainer Workshop, conducted by either a World HQ Training Department staff member or an HQ appointed Instructor Trainer Evaluator.

How can I gain experience and why is it so important?  

It is simple – dive and teach. Learning does not happen by osmosis; an IT or IT Evaluator cannot teach all of the hard lessons that come from years of experience in a few days. An Instructor Trainer will rely on their time, efforts, and experience of diving and teaching when training and evaluating instructor candidates. Having this necessary experience will allow the IT to focus on the critical components of the given subject; while the instructor candidate will fine-tune their rhythm with teaching and techniques based on their own experiences in the future.

Teaching professional level courses as a TDI IT

A TDI Instructor Trainer will be working with already experienced instructors; creating TDI Instructors is much more than “ticking the boxes” when a candidate reads the correct line off a PowerPoint or out of the Instructor Guide. A qualified TDI IT will be far more focused on the content of what is presented, as well as the candidate’s ability to maintain control over their student divers in very unforgiving environments.

Am I qualified to become a TDI IT?

For a complete list of the prerequisites to enter the Instructor Trainer Workshop, and certification count requirements for individual TDI IT ratings, please reference the standards listed on the course description page here.

What is the TDI Instructor Trainer Workshop actually like?

The Instructor Trainer Workshop is an intensive 8 day program which covers a wide variety of topics from the business of diving and dive leader risk management to methods of instruction. Candidates will work directly with World HQ Training Department staff to develop and hone their instructor evaluation techniques. And because we believe in leading by example, IT candidates are expected to demonstrate their ability to perform everything that they will expect from their instructor candidates at IT level quality. That includes academic presentations, in-water presentations, demonstrations, and everyone’s favorite, the watermanship requirements. Successful completion of the Instructor Trainer Workshop is a major accomplishment, and will prepare TDI Instructors to conduct instructor level training at the highest levels in the industry.

To get started, please submit your ITW application to the training department at for review.  If you have any questions, please contact World HQ or your Regional Office for more information.

To find out more about International Training, visit


From its humble beginning in 1994 to today, the group of training agencies Scuba Diving International (SDI), Technical Diving International (TDI), and Emergency Response Diving International (ERDI) form one of the largest diving certification agencies in the World – International Training. With 24 Regional Offices servicing more than 100 countries, the company today far exceeds the original vision the founders had when they conceived the idea on a napkin, sitting at a kitchen table in the early 1990’s.

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Let me know your color choice! 1, 2, 3, 4 or 5!

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