Mothilal Jayathilake, also known as “Coach MJ,” is an experienced strength and conditioning coach, educator, and sports administrator with a diverse background in multiple athletic disciplines and coaching roles.

CrossFit Coaching
Over nine years of experience as a CrossFit coach.
Specializes in CrossFit Kids and Masters coaching.
Held roles as head coach and affiliate owner at multiple CrossFit locations,including Colombo CrossFit (Sri Lanka) and CrossFit Gold Pro (India).
Only certified CrossFit Kids Coach and Educator for ages 3–11 in Sri Lanka.

Rugby Coaching
35+ years of rugby coaching and strength & conditioning experience.
Coached Sri Lanka’s national and defense forces rugby teams, achieving 75 major trophies.
o Served as World Rugby Strength & Conditioning Educator and Talent Optimization Program participant.

Olympic Weightlifting and Powerlifting
25+ years of experience, producing international medalists in both disciplines.
Certified as a national and international referee and coach in weightlifting and powerlifting.
Represented Sri Lanka in four sports: weightlifting, powerlifting, bodybuilding, and strength building.
35 X National Champion – Sri Lanka | (17 X Powerlifting | 15 X Weightlifting |2 X Bodybuilding |1 X Wrestling).

Strongman Coaching
Head Coach for the Sri Lanka Strongman team and member of the World Strongman Federation’s technical committee.
Current head coach of Leader CrossFit Colombo Member Of Technical Committee | World Strongman Federation (2023 – Present)

General Coaching and Consultancy
Conducts workshops for rugby and fitness coaches internationally.
Operates a strength and conditioning academy catering to athletes from various sports.
Coached para-athletes, including a gold medalist in the Tokyo Olympics.

Sports Administration
Held key administrative roles at the University of Peradeniya, including Director of Physical Education.

Former Secretary General of the Sri Lanka Weightlifting Federation and council member of the Sri Lanka Rugby Football Union.

Academic and Personal Achievements
Bachelor of Science graduate from the University of Peradeniya.

Starred in the Hollywood movie “Bloodsport III” (1997).