Danang is an Indonesian Customs Officer, he received basic combat training from Indonesian Special Forces (Kopasus) in his early days as Customs Officer. His childhood is also familiar with martial arts such as karate (wadokai) and silat (Setia Hati Teratai). In 2016 he found about BJJ from his senior in office, Lukman Hakim, one of the leglock specialist in Indonesia. Then he continue his journey of BJJ by joining local dojo which affilated with Synergy BJJ MMA Academy. The rest, is as you can read in this amazing platform. :)