KSI

Olajide Olayinka Williams "JJ" Olatunji, known professionally as KSI, is an English social media 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 and cereal brand Best Breakfasts.

19 June 1993

Born on the same birth day (19 June): Antonio Abetti • Bob Hank • Charles Spurgeon • Chris Armstrong (footballer, born 1971) • Doug Mientkiewicz • Erna Schneider Hoover • Gérard Latortue • Ilya Markov • James Braid (surgeon) • Jean Carroll (cricketer) • José Rizal • Margarita Ponomaryova • Mike O'Brien (British politician) • Patti Rizzo • Pier Angeli • Rahul Gandhi • Richard Wilkins (TV presenter) • Robin Tunney • Sam Walter Foss • Sigismondo Pandolfo Malatesta • Yasuhiko Yabuta • Émile Haug

Born in the same month (June 1993): Brittany Boyd • Denis Ten • Dennis Lloyd • George Ezra • Gunna (rapper) • Irfan Hadžić • Jonathan Huberdeau • Loris Karius • Otto Porter Jr. • Roger Tuivasa-Sheck • Simona Senoner • Tim Anderson (baseball) • Trea Turner