We grow the best divers on Earth.

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Pinnacle Diving Company is an American veteran-operated English-speaking professional diving service based in Kanagawa, Japan, and we nurture and grow the best divers on Earth.

It's a bold thing to say, and we know it. Yet we also know for a fact that amazing divers must be "grown" by leaders capable of solid mentorship, and this is exactly where Pinnacle Diving Company comes in.

We have a passion for diving. Our adventure is exploring the world-over, our mission is to teach, train, certify, and mentor, hands-down, the best divers in the world, and our goal is to grow a competent, confident, capable, and safe dive community, that truly cares about the health of the oceans, the planet, and each other. (Learn more)

To meet that goal, PDC strives to provide all divers with the highest level of professionalism, and expert instruction, mentorship, and guidance, developing the knowledge, skills, and abilities of all divers to the highest standards, so they can explore the underwater world with confidence and safety. Additionally, we offer exhilarating and unforgettable local and international dive trips for scuba diving explorers, which strengthens our community by fostering camaraderie, building experiences, and engaging divers to grow and explore. And finally, we offer our capabilities around the world, bringing expeditionary services to clients outside our local area, so they may benefit from world-class instruction, mentorship, and guidance too.

Our training, travel, and dive opportunities include everything you need, from equipment rental to equipment ownership, from training and certifications to positive high-quality mentorship and workshops, from local to international destinations, and more. No matter what your adventure may be, we're ready to meet your needs, and invite you to explore the remaining 71% of our planet with us.

• NAUI Education and Training to certify new divers and advance the education and training of certified divers (why NAUI?),
• Expert mentorship and guidance to help you grow through our Skills Development Workshops,
• Support for all military members, SOFA members (including dependents), and veterans, as an official NAUI authorized VA Testing Center,
• Guided and customized diving opportunities for certified divers and dive groups,
• The most advanced diving equipment the industry currently has to offer,
• Equipment servicing, repair work, and modifications,
• Professional training services for educational institutions in need of a diver training program, and
• Professional/Occupational, scientific, and expeditionary SCUBA diving services.

PDC is the service provider for all US military installations and SOFA members in the Kanto region of Japan, and while we provide English-speaking diving services and training equally to all, both military and civilian alike, we specialize in providing dive services and training opportunities to military members, SOFA members, veterans, and their dependents. NAUI training and standards are widely considered the highest in the world, and NAUI is the agency authorized by the US government, Department of Defense, NASA, NOAA, the service academies, and all other departments and agencies.

PDC is available for dive training and certifications anywhere in the world, equipment sales and servicing, and professional / occupational SCUBA diving services year-around.

From beginning your own underwater adventures by getting certified or advancing your diver education, from custom drysuits, equipment sales, and services to supplying heavy compressors, hydraulic tools, and surface-supplied systems, from UW videography to providing our capabilities anywhere around the world, Pinnacle Diving Company is ready to help you succeed and meet your underwater needs.

AJ is the primary instructor of Pinnacle Diving Company.

AJ is a Christian, a retired United States Army NonCommissioned Officer who served in both the U.S. Navy and U.S. Army, and he is a world-traveled American combat veteran.

AJ’s career has spanned both Aviation and Diving, both operationally and as an instructor, and a full spectrum of occupational areas in-between. He first learned to dive while serving in the Navy, and has since been blessed (or cursed) with opportunities to dive in some of the most challenging and demanding environments and conditions around the world.

AJ is a professional occupational diver, adventure / expedition diver, certified technical diver, closed circuit rebreather diver, and certified NAUI dive instructor. He has over 1,400+ logged dives and more than 1000+ logged hours accumulative underwater dive time, mostly in cold open-ocean waters, using both open and closed circuit systems, as well as surface-supplied systems.

As an independent NAUI dive instructor, AJ draws extensively on his career-long training and experience, incorporating many overlapping aspects from the world of aviation into the world of diving, and has taught and trained both military service members and civilians alike to become well-educated, competent, confident, capable, and safe divers, who are passionate about diving and growing in their diver KSA’s.