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 Prime Hydration, XIX Vodka, Sidemen Clothing, restaurant chain Sides, cereal brand Best Breakfasts, and pre-made lunch brand Lunchly.
He registered his main YouTube channel KSI in 2009 and built a following through his gaming commentary videos of the FIFA video game series. His content later diversified to include vlogs and comedy-style videos. In 2019, he was ranked second by The Sunday Times in its list of most influential online creator in the United Kingdom. In 2021, he was listed among Forbes 30 Under 30 for the Europe Entertainment category. In 2023, he was ranked second on Forbes top creator of 2023. As of October 2022, he had over 41 million subscribers and over 10 billion video views across his three YouTube channels.
Creating rap music since 2011, he released his debut studio album, Dissimulation, in 2020, which debuted at number 2 on the UK Albums Chart.
From Wikipedia (https://en.wikipedia.org/wiki/KSI) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)