Thien X. Do, Divers Training Manager – PADI Course Director – EFR Instructor Trainer (Founder)

A PADI multi-awarded Platinum Course Director, Elite Instructor (since 2002) well respected and recognized in the Asia Pacific Region, Thien’s passion for diving includes marine conservation and mentoring dive instructors, his lifelong Journey as a PADI Instructor began in 2001. Click here to read more about our quiet leader.

(Au) Noppharat Puangrangsard, 
Booking & Operations Manager (2015-present)

Au joined the Rumblefish family in 2015 from Davinci Yachts Charter. Au smiles a lot, very direct and great with food, the gourmet type. Staff meals are often prepared by her daily. She managed our operations, administrative process and private charters. More about Au on her Fb here

Ryan Dautenhahn, PADI Master Scuba Diver Trainer – EFR Instructor (2023-present)

Ryan joined our Rumblefish family in November 2023, after departing from his stint as a teacher in China. A US Army veteran, he has extensive experience living overseas in the past decade. A personable person with a bubbly personality, Ryan also able to converse in German and Mandarin Chinese. Kids will learn very well with Ryan, as he is patience and know all the cool tricks to keep them engage in learning.

Camillo Taege, PADI Master Instructor – EFR Instructor (2012-present)

Nick named ‘da Big Bear,’ Camillo started diving when he was 9 years old. He completed his Specialty Training with Thien back in 2004, worked as dive instructor on liveaboard and large dive resort in Koh Tao. Camillo is currently our Senior Instructor, and can teach all level from basic DSD to PADI Divemaster courses & IDC. He celebrated his 30th Year as a PADI Member in 2023.  More about Camillo on his IG

Miz Imanishi, PADI Freediving Instructor – Specialty Diver Instructor – EFR Instructor (Co-founder)

One of our original Rumblefish Founder from 2003, Miz has re-joined the Rumblefish Dive Team during the pandemic. She can conduct PADI Courses & programs in Japanese and English. You also can sign-up to do PADI Freediving Course, Nitrox, Deep & Sharks Conservation Specialty Courses with her. Miz celebrates her 25th Year as a PADI Member in 2023.

(Tam) Sarrawuth Thummaweth, PADI Assistant Instructor (Apprentice)

Tam qualified for our PADI Professional Apprentice program in October 2025. As an NAUI Instructor, Tam accelerated his professional diving knowledge and skills to achieved the PADI Assistant Instructor level in December 2025. One of our best serviced Divemaster, divers will get to see many of the best macro life diving with Tam.

(Aom) Keoouthay Vongkosy, Divemaster in Training (Apprentice)

Van Huynh, PADI Assistant Instructor – Hostel Supervisor (2025-present)

(Ice) Tanachit Dangtanuwat, PADI Specialty Instructor (2019-present)

Our enthusiastic dive instructor for the Bangkok metropolitan area, Ice successfully became a PADI OWSI with us in October 2019. Divers can train for many popular specialties with Ice, choose from: Diver Propulsion Vehicle, Deep, Wreck, Nitrox, Sharks Conservation and more. Divers in Bangkok area can start training from beginner to Divemaster with Ice in 3 languages: Thai, Mandarin Chinese & English.

Ben Daniel, PADI IDC Staff Instructor – EFR Instructor Trainer (2022-2025) on Sabatical!

Ben completed his PADI IDC with us in 2022. An expat working professional and enthusiastic dive instructor, he worked with us part-time as his schedule allow. Ben has the biggest smile, positive attitude and always a can do approach to everything diving. He is also a Lifeguard Trainer and an amazing teacher of all subjects. languages: English and French (basic)

(Jake) Jakkarin Chekrak, PADI Instructor – EFR Instructor (2025-present)

We welcome Jake to our in 2025 as a part-time PADI Instructor. He successfully completed the PADI IDC and IE with us in September 2024. Jake is very experience in diving liveaboards, very patience with nervous divers and good with children in dive training. He has past experience working on cruise ships as safety diver and Divemaster. Jake can teach all PADI Courses in English and Thai.

(Poon) Supissara Chokesirikulchai, PADI MSDT(2021-2025)

Chad McArdle, PADI Instructor – EFR Instructor (2023-2025)

Jade Patnawat, PADI IDC Staff Instructor – EFR Instructor (2023-present)

Jade joined our team part-time after completing his PADI IDC with us in March 2023. He is well-travel, lived in Eastern Europe previously and worked on both coasts of Thailand over the past couple of years. Jade will become a cruise leader for a 5 Star Liveaboard boat for the 2025-26 dive season. He can communicate and teach diving in Thai, English, Russian & Czech.

Anastasiia Aleksandrova, PADI Specialty Instructor – EFR Instructor (2024-2026)