Born on October 22, 1977, in Kuala Lumpur, Malaysia, Adam Shahir Kayoom relocated to Sydney, Australia at the age of nine and wasted little time immersing himself in the world of martial arts. His foundational training was broad and rigorous — earning black belts in both taekwondo and karate, while also studying hapkido, aikido, and the traditional Japanese system of Yagyu Shingan Ryu ju-jitsu. He further extended his education into Kalis Illustrisimo, a Filipino blade-based combat system rarely encountered outside specialist circles, underscoring the depth and seriousness of his early martial development.
A street fight at the age of 18 served as the pivotal turning point that redirected Kayoom's focus toward Brazilian jiu-jitsu. The encounter exposed the limitations of striking-based systems when an opponent forces the fight to the ground — a lesson that proved decisive. From that moment, BJJ became the central pillar of his martial identity, a pursuit that would take him across continents and earn him recognition at the highest levels of the grappling world.