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About
Rapper, boxer, YouTuber and co-founder of Prime. One of the most versatile entertainers in the UK.
KSI does everything — and wins at most of it.
Olajide Olatunji started with FIFA videos, became a founding member of the Sidemen, sold out arenas as a rapper, boxed Logan Paul twice, and co-founded Prime Hydration with him.
The empire
- YouTube, music, boxing and Prime.
- Millions of fans across every platform.
"I've always believed you can do more than one thing."
Follow for music, fights and business.
Quick Facts
BornJune 19, 1993 · London, England
Real nameOlajide Olayinka Williams Olatunji
NationalityBritish
ProfessionYouTuber, rapper, boxer, entrepreneur
Known forFIFA videos, boxing, PRIME, music
BusinessCo-founder of PRIME
Milestones
2009
YouTube start
Begins posting FIFA gaming videos under the name KSI.
2013
Million-subscriber rise
Becomes one of the UK's biggest YouTubers.
2018
Boxing debut
Fights Joe Weller, sparking the influencer boxing era.
2019
KSI vs Logan Paul
Their rematch becomes a landmark pay-per-view event.
2022
PRIME launch
Co-founds the wildly successful PRIME hydration brand.
Stories & Facts
From bedroom FIFA
He built a global brand from his bedroom gaming setup.
Boxing pioneer
He legitimized influencer boxing as a mainstream spectacle.
The PRIME empire
With Logan Paul, he turned a drink into a global phenomenon.
Controversies
Early remarks
Faced criticism over early career comments, for which he has apologized.
Lifestyle
Britain's ultimate multi-hyphenate. KSI went from FIFA YouTuber to boxer, chart-topping rapper and beverage mogul. He's a relentless entrepreneur who turned internet fame into a diversified empire.
In the News
Videos
Achievements & Awards
- Co-founder of PRIME, a billion-dollar brand
- Pioneer of influencer boxing
- Multiple platinum music singles
- One of the UK's most successful creators
- Headlined a landmark boxing pay-per-view