KSI
- Birthday
- June 19, 1993
- Age
- 33
- Birthplace
- London
- Popularity
- 18,450
About
Olajide Olayinka Williams “JJ” Olatunji, known professionally as KSI, is a British influencer, musician, and former professional boxer. He is a co-founder and former member of YouTube group the Sidemen, the co-founder of Misfits Boxing and co-owner of several businesses, including Prime Hydration and Lunchly. KSI has also served as a judge on Britain’s Got Talent since 2025.
Bio and photo via Wikipedia, used under Creative Commons licensing.