He is your reliable partner for mastering the art of boxing. Passionate in boxing, Muay Thai and MMA, Steve has won numerous national & international boxing championship; from Indonesia, to Thailand and Japan.

Nathalia Elvina (LIA)

The one and only female trainer in Sweat Club, a tattoo junkie and Phyton lover, Lia is the master of Functional Training. She teaches how to maximize it with particular diet for maximum result.

Gusti El Nino

He’s a professional boxer with a comedic personality. Specializing in Boxing and Muay Thai, he makes a great motivator during workouts. He is often seen with his signature thug-like gold chains.

Andreas Aditya

Once an English teacher, Andreas now is the master of Functional Training – people testify that he can motivate his clients in an excellent and understanding way, as if he’s a mind-reader!

David Sajiro (DAI)

An expert in Muay Thai and Boxing, Dai was once a boxing athlete, gaining the title of a National Champion. Having total faith in a balanced life, his precious ‘me-time’ is spent sleeping and eating, but he still keeps the spiciness to minimum and avoid sweets.


The lifelong martial artist is both calm and deadly in the arena. The rock music addict gained his reputation on several amateur boxing tournaments.


The 1991-born trainer is an experienced personal trainer whose skill set ranges from Functional Training, Handball, even the niche sport of Pétanque. Ditya has gained national awards on Kyorugi Taekwondo, Basketball and Pétanque.