About Me

Hi, my name is Stefan van der Merwe

I’m a Biokineticist, Karate Instructor and Coach based in Windhoek, Namibia.

My passion for martial arts and exercise have always been my main motivators and ultimately formed the pillars around which I have built my career.

I first started competing as a karate athlete at the age of 7 and currently have over 20 years of experience in Okinawan Goju-Ryu karate. I have been blessed to be able to represent Namibia numerous times internationally, most notably at the Commonwealth Karate Championships and Africa Games.

After graduating from Stellenbosch University in 2015, I returned to Namibia where I started working as a full time Biokineticist before starting my own practice, Trinity Fitness Namibia, in 2019.

I have also always enjoyed teaching both traditional and sports karate and currently serve as National Coach of the Namibian Karate Team.

If you are interested in learning more about what I do please do not hesitate to contact me!


BSc (Hons) Biokinetics

BA (Sport Science)

International Baccalaureate Diploma

NSCA Certified Personal Trainer

Certified Sports Massage Therapist

AUSC Region 5 Kumite Coach

Academic Milestones

Best BA Sport Science Final Year Student – 2014

Sports Milestones

4th Dan Black Belt (IOGKF)

Commonwealth Karate Bronze Medalist

6 x AUSC Region 5 Bronze Medalist

2 x Namibian Senior Male Grand Champion

4 x OGKN Senior Male Grand Champion

AUSC Region 5 Certified Kata and Kumite Coach

Associated Businesses