Olajide Olayinka Williams

@olajidewilliams - United Kingdom - 40 views on VKB

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Olajide Olayinka Williams "JJ" Olatunji, better known as KSI, is a British YouTuber, rapper, boxer, and actor. He is a co-founder and prominent member of the Sidemen group, known for his comedic videos, music, and boxing matches against other internet personalities.

Mini Bio

Olajide "JJ" Olatunji, better known as KSI, is a prominent British YouTuber and member of the Sidemen, a popular YouTube group known for their challenges, sketches, and gaming videos. He is also a successful rapper and boxer.

Early Life

Olajide Olatunji was born on June 19, 1993, in Watford, Hertfordshire, England. He attended Berkhamsted School.

Career

Olatunji began his YouTube career in 2009, primarily creating FIFA gaming videos. He later joined the Sidemen in 2013, further expanding his online presence. Beyond the Sidemen, KSI has cultivated a successful music career as a rapper, releasing several albums and singles. He has also ventured into boxing, participating in high-profile amateur and professional matches.

Endorsements

KSI has been involved in various endorsements throughout his career, often promoting products related to gaming and entertainment.

Personal Life

KSI maintains a relatively private personal life, although he occasionally shares glimpses with his fans through social media.

Channel Credits

Sidemen

Host

2015 -

Official channel for the Sidemen group. Tune in every Sunday for new videos.

Spouses

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Family

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Frequently Asked Questions

Who is Olajide Williams in the Sidemen?

Olajide Williams, better known as KSI, is a co-founder and prominent member of the Sidemen group.

What is KSI's role in the Sidemen?

KSI is a co-founder and a key member of the Sidemen, contributing to their comedic videos and other content.

When did the Sidemen YouTube channel join the platform?

The Sidemen YouTube channel joined the platform in June 2015.

What type of content does the Sidemen channel produce?

The Sidemen channel produces comedic videos and is known for their weekly series called #SidemenSundays.

What are some of KSI's other pursuits outside of the Sidemen?

Outside of the Sidemen, KSI is known for his work as a rapper, boxer, and actor.

What are Olajide Olayinka Williams's YouTube stats across all credited channels?

As of 2025, Olajide YouTube channels collectively have over 857.5M subscribers, more than 274,329.2M views, and have uploaded over 16.2K videos.

Join our community to help fill in the details!

First name
Olajide

Middle name*
Olayinka

Last name
Williams

Nickname
KSI

Birthdate
June 19, 1993

Age 32

Birth location
Watford, Hertfordshire, England

Location
GB

Heigth
1.83 meter

Years active
2015 - present

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