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KSI Biography

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KSI Early Life

KSI (Olajide William “JJ” Olatunji), born June 19, 1993, a YouTube superstar, and he now has a win in the pro boxing ranks after beating Logan Paul. Since 2009, KSI’s channel has reached over five billion video views with over 20.5 million subscribers. He also earned an NME Award for Vlogger of the Year in 2016.

In 2015, he was ranked as the UK’s most influential YouTube creator, with his brother Deji, otherwise known by his handle Comedy Shorts Gamer, ranking second.

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In 2016, he made his feature film debut in the comedy Laid in America alongside fellow YouTube star Casper Lee. He was also a founding member of the online group The Sidemen, which are the product of seven British YouTubers. In 2018, they launched their own premium web TV series.

KSI, which stands for knowledge, strength, integrity, first arrived on the YouTube scene in 2009, originally posting videos about video games.

Olajide William Olatunji Biography and Profile

Olajide William “JJ” Olatunji (KSI), Nigerian-British, was born June 19, 1993, and is an English YouTube personality, rapper, comedian and actor. He attended the independent Berkhamsted School alongside future Sideman member and YouTube collaborator Simon Minter, better known as miniminter.

A content creator, music artist and sportsman with a huge following, KSI is never afraid to be his true self, pushing himself to the limits. He is focussed, creative and talented and we are thrilled to be working with him and his team.

Olajide William Olatunji Music Career

KSI released his debut single as a solo artist on 23 March 2015 titled “Lamborghini”, which features rapper P Money. The song was released under Sway’s record label Dcypha Productions. On 29 October 2015, KSI announced his debut EP titled Keep Up. The EP was released on 8 January 2016 by Island Records and debuted at number 13 on the UK Albums Chart and at number one on the UK R&B Albums Chart.

On 29 April 2016, KSI released a song titled “Goes Off”,featuring Mista Silva. The song was released as the lead single to KSI’s second EP, Jump Around. KSI later released the second single from the EP titled “Friends with Benefits” featuring Dutch musical group MNDM on 29 July. The EP’s title track featuring Waka Flocka Flame was released as the third single on 16 September. Jump Around was later released on 28 October 2016 through Island Records.

Shehu Shagari Biography

After taking a four-month hiatus from YouTube, KSI released a song titled, “Creature” on 23 June 2017. The song was released as a single for his third EP titled, Space, which was released independently on 30 June. KSI later released his fourth EP titled, Disstracktions, three months later on 29 September 2017. Disstracktions later went on to chart on the UK Albums Chart and UK R&B Albums Chart at number 31 and one respectively.

On 31 January 2018, KSI released a single titled “Uncontrollable” featuring British grime rapper Big Zuu. The song was played during KSI’s ring walk for his boxing match against YouTuber Joe Weller on 3 February. The song charted at number 89 on the UK Singles Chart. KSI released his next single on 17 August 2018 titled “On Point”. The song was played during KSI’s ring walk for his boxing match against American YouTuber Logan Paul on 25 August 2018.

KSI announced via a YouTube video on 28 February 2019 that he would be releasing a collaboration album with British YouTube rapper Randolph titled New Age, as well as going on a tour across the UK and some parts of Europe to promote the album. New Age was released independently on 12 April 2019 and featured guest appearances from JME, Talia Mar and Quadeca. The album debuted at number 17 on the UK Albums Chart and at number one on the UK R&B Albums chart.

On 4 November 2019, it was announced that KSI had signed a record deal with RBC Records under BMG Rights Management in order to “take his music to the next level”. On 7 November, KSI released his first single under the new record label titled “Down Like That”. The song features British artist S-X and American rappers Rick Ross and Lil Baby. The song was performed live by the featured artists during KSI’s ring walk for his boxing rematch against American YouTuber Logan Paul on 9 November. The single peaked at number 18 on the UK Singles Chart, making it KSI’s highest-charting single.

YouTube KSIOlajideBT

In 2009, KSI registered his YouTube account under the name KSIOlajideBT. KSI built his following from posting gaming–commentary videos of the FIFA video game series, although as his following has grown, his content has diversified in include more vlog and comedy style videos.

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As of October 2019, the channel has received over 20 million subscribers and 4 billion video views, ranking as the sixth-most subscribed and nineteenth-most viewed channel from the United Kingdom, and placing him among the top 120 most subscribed channels on the site.

Having written and produced comedy–rap songs in his early YouTube career, KSI released his more purist debut extended play, Keep Up, in 2016, reaching number one on the UK R&B Albums Chart. After releasing three more extended plays and singles, KSI released a collaborative album with Randolph, titled New Age, in 2019.

The same year, KSI signed a record deal with RBC Records under BMG Rights Management; his first single under the new record label, “Down Like That”, featured British artist S-X and American rappers Rick Ross and Lil Baby. KSI featured in the British comedy film Laid in America (2016), and was the subject of Can’t Lose (2018), a documentary film following the build-up to his first amateur boxing fight.


In 2018, KSI competed in his first white-collar boxing match against fellow YouTube creator Joe Weller. KSI won the bout and was awarded the YouTube Boxing Championship Belt.

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KSIOlajideBT, KSI, Logan Paul, Olajide William Olatunji, Olajide William JJ Olatunji, Nigerian, Olajide Olayinka Williams Olatunji
KSI vs Logan Paul

Six months later, KSI and Logan Paul drew an audience of 2.5 million live viewers and over 19 million subsequent views of their boxing match – making it the biggest internet event ever and the biggest white-collar boxing match in history. Planned as two fights, the initial bout was a draw – the hotly anticipated rematch takes place at LA’s Staples Center on November 9th 2019.

What is KSI’s net worth?

KSI has a net worth of £3.3m, according to reports. He has amassed over five billion views on YouTube.


KSI’s younger brother, Deji Olatunji, is also a YouTuber. The brothers ranked number one and two respectively as “UK’s Most Influential YouTube Creators” by Tubular Labs in 2015. In late November 2018, Deji revealed KSI’s personal bank records in a video; KSI later condemned Deji’s actions and expressed his disappointment towards his parents for allowing the publication of his financial records.

In January 2019, Deji apologised to his brother for his “impulsive” and “rash” behaviour and made the video private. In May 2019, Deji made the video in which he exposed KSI’s bank records public again, prompting KSI to state on Twitter that he is “done” with his brother.

KSIOlajideBT Biography and Profile

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