KSI

Olajide Olayinka Williams "JJ" Olatunji, better known by his online alias KSI, is an English influencer, professional boxer, and musician. He is a co-founding member of YouTube group the Sidemen, the CEO of Misfits Boxing, and the co-owner of several businesses, including Prime Hydration and Lunchly. Born in London and raised in Watford to parents of Yoruba heritage, KSI was privately educated at Berkhamsted School.