From FIFA clips to billion-dollar business moves, KSI’s rise has been anything but ordinary. The 31-year-old British influencer, boxer, and musician, born Olajide Olayinka Williams “JJ” Olatunji and better known as KSI, launched his YouTube career in 2008.
He first gained traction by posting FIFA commentary videos, quickly building a massive following. In 2013, he co-founded the Sidemen, a YouTube collective that includes Miniminter, Zerkaa, TBJZL, Behzinga, Vikkstar123, and W2S.
Like many internet personalities, KSI has courted controversy along the way. But rather than fade, he evolved into music, boxing, and brand-building.