Technical Diving International-TDI-The Leader in Tech Diving Edu
TDI – Technical Diving International
You are here: Home1 / TDI – Technical Diving International
Photo By: William Drumm
Innovative Tech Diving at Your Fingertips
Join the ranks of elite divers with TDI, the world’s largest technical diving certification agency, and pioneer your diving adventures beyond traditional limits.
Embark on a Journey with the Elite of Technical Diving
Technical Diving International (TDI) stands as the world’s premier technical diving certification agency, renowned for pioneering sophisticated diving courses such as mixed gas diving and rebreather use. With a storied legacy as an innovator, TDI has unlocked the underwater world’s most elusive frontiers, offering divers unparalleled access to legendary wrecks like the Andrea Doria and Lusitania, and the awe-inspiring underwater caves of Spain, Australia, and Mexico.
Training with TDI is more than learning advanced diving techniques; it’s about embarking on extraordinary underwater expeditions, where TDI divers have played integral roles in support of world record freedives in the Red Sea. These experiences underscore TDI’s commitment to not just teaching diving, but creating legends in the diving community.
TDI’s reputation for excellence is upheld by its rigorous instructor standards, ensuring that every TDI trainer embodies the pinnacle of diving expertise and instructional quality. This dedication to high-quality training is mirrored in TDI’s educational materials, authored by experienced divers immersed in the disciplines they teach. These resources are continually updated to reflect the latest in technological advancements and diving practices, guaranteeing TDI divers receive the most current and comprehensive training available.
Choosing TDI means entering a world of diving where excellence, innovation, and adventure converge. Whether you aspire to explore historic wrecks, navigate intricate cave systems, or contribute to record-breaking dives, TDI provides the training, resources, and community to turn your diving ambitions into reality. With TDI, you’re not just learning to dive; you’re preparing to make history beneath the waves.
View All Courses
Previous
Previous
Previous
Next
Next
Next
123456
Open image in lightbox: Female-Tech-Diver
Open image in lightbox: Female-Tech-Diver
Open image in lightbox: tech-diving
Open image in lightbox: tech-diving
Open image in lightbox: Technical-Diving
Open image in lightbox: Technical-Diving
Open image in lightbox: sub-gravity-techl
Open image in lightbox: sub-gravity-techl
Open image in lightbox: Tech-Diving-Gear
Open image in lightbox: Tech-Diving-Gear
Open image in lightbox: tech-diver-training
Open image in lightbox: tech-diver-training
Find a Dive Center
Like what you’re reading? Go VIP
Join the 100,000+ subscribers getting exclusive content, private Q & A’s,
awesome interviews and more. No spam, ever. Just great stuff!
Signup for our Newsletter
Share this entry
Share on Facebook
Share on X
Share on WhatsApp
Share on Pinterest
Share on LinkedIn
Share on Tumblr
Share on Vk
Share on Reddit
Share by Mail
Connect with Us
Learn to Dive
eLearning
Courses
Find a Dive Center
Community
Forms
SDI Diver Blog
Member Center
Account Log In
Certification Cards
SDI Store
SDI Professional Blog
Teach with Us
Become an SDI TDI ERDI PFI Facility
Crossover to SDI TDI ERDI PFI
Get Professional Insurance
Job Board
About Us
Our Story
Meet the Team
ISO Certified
Consumer Protection
FAQ's
Contact Us
World Headquarters
Service Centers
Regional Representatives
Follow SDI on Social
Facebook
Instagram
YouTube
LinkedIn
TikTok
This site uses cookies. By continuing to browse the site, you are agreeing to our use of cookies.
Accept settingsHide notification onlySettings
Cookie Policy and Settings
How we use cookies
When you visit any website, it may store or retrieve information mostly in the form of cookies. This information might be about you, your preferences or your device and is mostly used to make the site work as you expect it to. The information stored in a cookie does not usually directly identify you, but it can give you a more personalized web experience.
Because we respect your right to privacy, you can choose not to allow cookies.
When you visit this Website, you can browse the Website and access information without revealing your identity. We do use cookies to store essential information which is necessary for the Website to function and cannot be switched off in our systems. A cookie is a small amount of data that is transferred to your browser by our web server and can only be read by the server that gave it to you. Most browsers are initially set to accept cookies. You can set your browser to notify you when you receive a cookie, giving you the chance to decide whether to accept it or not. If you choose not to accept cookies, you will encounter issues with the Website and the Website will continue to prompt you to accept/refuse cookies when revisiting the Website site. We fully respect it if you want to refuse cookies, and you are free to opt out or in at any time. If you refuse cookies, we will remove all the cookies associated with our Website.
As a reminder, your choice will only apply to the browser and device you are currently using to visit our Website. It will not apply to a different browser or device. If you visit our website using a different browser or device, you will need to exercise your choice for each browser or device again.
Essential Website Cookies
Essential Website cookies are strictly necessary to provide you with services available through our website and to use some of its features. Because these cookies are strictly necessary to deliver the Website, refusing them will have impact on how our site functions. Some of these cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. All information these cookies collect is aggregated and therefore anonymous.
Check to enable permanent hiding of message bar and refuse all cookies if you do not opt in. We need 2 cookies to store this setting. Otherwise you will be prompted again when opening a new browser window or new a tab.
Privacy Policy
You can read about our cookies and privacy settings in detail on our Privacy Policy Page.
Privacy Policy
Accept settingsHide notification only
Click to enable/disable essential site cookies.
Session Timeout Warning
Your session is about to expire. Would you like to extend the session or logout?
Logout
Extend Session
This site uses cookies. By continuing to browse the site, you are agreeing to our use of cookies.
Accept settingsHide notification onlySettings
Cookie Policy and Settings
How we use cookies
When you visit any website, it may store or retrieve information mostly in the form of cookies. This information might be about you, your preferences or your device and is mostly used to make the site work as you expect it to. The information stored in a cookie does not usually directly identify you, but it can give you a more personalized web experience.
Because we respect your right to privacy, you can choose not to allow cookies.
When you visit this Website, you can browse the Website and access information without revealing your identity. We do use cookies to store essential information which is necessary for the Website to function and cannot be switched off in our systems. A cookie is a small amount of data that is transferred to your browser by our web server and can only be read by the server that gave it to you. Most browsers are initially set to accept cookies. You can set your browser to notify you when you receive a cookie, giving you the chance to decide whether to accept it or not. If you choose not to accept cookies, you will encounter issues with the Website and the Website will continue to prompt you to accept/refuse cookies when revisiting the Website site. We fully respect it if you want to refuse cookies, and you are free to opt out or in at any time. If you refuse cookies, we will remove all the cookies associated with our Website.
As a reminder, your choice will only apply to the browser and device you are currently using to visit our Website. It will not apply to a different browser or device. If you visit our website using a different browser or device, you will need to exercise your choice for each browser or device again.
Essential Website Cookies
Essential Website cookies are strictly necessary to provide you with services available through our website and to use some of its features. Because these cookies are strictly necessary to deliver the Website, refusing them will have impact on how our site functions. Some of these cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. All information these cookies collect is aggregated and therefore anonymous.
Check to enable permanent hiding of message bar and refuse all cookies if you do not opt in. We need 2 cookies to store this setting. Otherwise you will be prompted again when opening a new browser window or new a tab.
Privacy Policy
You can read about our cookies and privacy settings in detail on our Privacy Policy Page.
Privacy Policy
Accept settingsHide notification only
Click to enable/disable essential site cookies.