KSI

Olajide Olayinka Williams Olatunji, known professionally as KSI, is a British YouTuber, rapper, professional boxer, and entrepreneur recognized for his influence in digital media, music, and sports entertainment. KSI began his career by launching a YouTube channel focused on FIFA video game commentary, expanding his content to include vlogs, challenges, and music. His channels have amassed more than 41 million subscribers and 10 billion video views, establishing him as one of the United Kingdom's most subscribed creators.

KSI is a co-founding member of Sidemen, a British YouTube collective that developed into a multi-faceted entertainment brand. The group’s ventures include Sidemen Clothing, the restaurant chain Sides, and the vodka brand XIX Vodka. KSI also co-founded Prime Hydration with Logan Paul, a beverage brand that achieved global retail success and secured partnerships with major sports organizations. Additionally, he co-founded Misfits Boxing, a promotional company that contributed to the crossover between entertainment and sport.

KSI’s professional boxing career began with a victory over Joe Weller, followed by a widely viewed match against Logan Paul that ended in a majority draw. In their professional rematch at Staples Center in Los Angeles, KSI secured a split-decision win. He later defeated two opponents in a single night, including rapper Swarmz and professional boxer Luis Alcaraz Pineda, to claim the MFB cruiserweight title. KSI also faced Tommy Fury in a closely contested bout that he publicly disputed.

In the music industry, KSI released the studio albums "Dissimulation" and "All Over the Place," with the latter reaching number one on the UK Albums Chart. He has achieved multiple top-40 singles in the United Kingdom and received the Brit Billion Award for surpassing one billion music streams in the UK. Collaborations with artists such as Anne-Marie on "Don't Play" and Tom Grennan on "Not Over Yet" have contributed to his chart success, and he earned a BRIT Award nomination for "Thick of It" featuring Trippie Redd.

KSI has also appeared in film and television, starring in the comedy "Laid in America" and serving as the subject of the Amazon Prime Video documentary "KSI: In Real Life," executive produced by journalist Louis Theroux. He has been a guest judge on "Britain's Got Talent." KSI’s career spans content creation, music, sport, and business, illustrating the evolving role of digital-native talent in contemporary culture and commerce.