KSI, whose real name is Olajide William Olatunji, is a British YouTuber, rapper, boxer and internet personality.
He was born in Watford, England, and rose to fame on YouTube in the early 2010s with his gaming and commentary videos.
KSI has since expanded his brand to include music, with several successful singles and albums, and sports, with his professional boxing career.
He has also appeared in movies and TV shows, including the 2021 film Laid in America and the 2022 Netflix series, Top Secret UFO Projects: Declassified.
KSI has a massive following on social media, with over 23 million subscribers on YouTube, 10 million followers on Instagram and 6 million followers on X, formerly Twitter.
KSI early life and education
KSI was born on June 19, 1993, in Watford, Hertfordshire, England.
He is of Nigerian descent and grew up in a family of four siblings.
KSI attended Berkhamsted School, a prestigious independent school in Hertfordshire, where he excelled academically and in sports.
During his early life, he developed a passion for video games and started creating content on YouTube in 2009.
He initially focused on FIFA gameplay videos, which quickly gained popularity among the gaming community.
KSI’s unique personality and entertaining commentary style helped him stand out from other YouTubers, and he soon became one of the most popular gaming content creators on the platform.
Despite his success on YouTube, KSI continued to prioritize his education and went on to study at the University of East London, where he pursued a degree in civil engineering.
He graduated in 2015 with a 2:1 degree, demonstrating his commitment to both his academic and creative pursuits.

KSI net worth
KSI has an estimated net worth of $27 million, according to a report on Marca.
How does KSI make money?
KSI makes his money through various ventures, including YouTube, music, boxing and entrepreneurship.
He has been on YouTube for over 15 years and has amassed over 30 million subscribers across his three channels. He earns money through AdSense and brand deals.
KSI is also a rapper and has released two albums and collaborated with various artists; he also launched his own record label, The Online Takeover, in 2021.
As a boxer, he has participated in several high-profile boxing matches, including two against Logan Paul, which generated millions of dollars in revenue.
KSI has also co-founded several businesses, including Prime Hydration, XIX Vodka and the restaurant chain, Sides.
He also owns a production company, Ksiolajidebt Ltd, and has invested in private equity.
Additionally, KSI owns multiple real estate properties, including houses in Watford and London, which contribute to his net worth.
Prime energy drink
Prime is a range of sports drinks, drink mixes, and energy drinks created and marketed by Prime Hydration, LLC.
It was developed by American media personality Logan Paul in collaboration with YouTube rapper and KSI in 2022.
The drink is available in both the UK and the US and is marketed as a healthier alternative to other sports and energy drinks.
Prime Energy is sold in cans and contains 200 milligrams of caffeine per can, while Prime Hydration does not contain caffeine and is supplied in bottled and powder formulations.
Both Prime Energy and Prime Hydration are available in various flavors, including Tropical Punch, Blue Raspberry and Ice Pop.
According to the drinks’ manufacturer, both Prime Hydration and Prime Energy are low in caloric content and are also vegan and gluten-free.
The base of both Prime drinks is filtered water and coconut water.
They are sweetened with sucralose and have electrolytes, B vitamins and branch-chain amino acids.
Prime drinks contain sucralose, an artificial sweetener, rather than table sugar or high fructose corn syrup.
Prime Energy contains filtered water, coconut water, caffeine, flavoring agents, and electrolytes (including potassium, vitamin B12).
However, Prime Energy has generated controversy due to its high caffeine content and marketing campaign, which has been criticized for targeting children and adolescents.
The drinks carry a warning stating that they are not recommended for under-18s.

KSI career
KSI began his career on YouTube in 2009, creating videos about video games, music and comedy.
He quickly gained a large following and became one of the most popular YouTubers in the world.
In addition to his YouTube career, KSI has also pursued a career in music.
He has released several singles and albums, including Keep Up and Dissimulation, which have been successful in the UK charts.
KSI has also collaborated with other artists, such as Craig David and Lil Wayne.
In recent years, KSI has also become a professional boxer.
He has had two fights against fellow YouTuber Logan Paul, with the first fight ending in a draw and the second fight resulting in a win for KSI.
KSI has also had a fight against professional boxer Joe Weller, which he won.