Olusegun Olowokere, known by his stage name Iceberg Slim, is an American-Nigerian rapper, and singer, widely known for his controversial self-proclaimed status as being "Better than M.I", which became the most talked about topic in the Nigerian hip hop space between June and August 2009, few months after he won the Nigeria Entertainment Awards, in the Best International Artist category.

Iceberg Slim was born Olusegun Olowokere in New York City on August 7, to Nigerian parents.

[3] In 2008, he released his mixtape Soul Food, with featuring guess vocals from Sauce Kid, Zara, and Blak Jesus.

[5] In 2009, he fearued on the remix of Banky W., song "Lagos Party", with Naeto C, D'Banj, 9ice, eLDee & Muna.

[7] In 2009, he recruited, the American rapper Ja Rule on the remix of "Plenty Money",[5] as one of the lead singles off his online mixtape titled The Fix, which features Ja Rule, Sauce Kid, Banky W., eLDee, and Rico White, the same year.

On 6 May 2011, he released "Too Much Money", featuring Banky W., under G-Worldwide, which became a hit track and earned him two nominations at The Headies 2012, for Best Rap Single, and Lyricist on the Roll category, shortly after he relocated back to Nigeria, to pursue his career full-time in the industry.

[14] In 2014, 2face Idibia, collaborated with Rocksteady and Iceberg on "The Best I Can Be",[15] from the studio album The Ascension, on 21 July 2014, through Hypertek Digital, and 960 Music Group.

[16] Same year, Praiz collaborated with, Skales, Morell, King, and Iceberg, on the song "Jalabia and Snapbacks", from his two sided studio album Rich & Famous, side of Famous,[17] released on 12 December 2014, through X3M Music,[18] In 2015, Tiwa Savage features Iceberg on her sophomore studio album R.E.D, on "Make Time", released on December 19, 2015, through Mavin, and 323 Entertainment.

[23] On 4 August 2017, "Roll Up" music video was released, directed by Seyi for UA Images.

That apparently didn't sit too well with M.I, prompting him to release a single known as "Somebody Wants To Die", featuring his label mate Ice Prince on the track.

[34] Iceberg is cousin to the American music producer Milwaukee Buck, well known as Buck 3000,[2] who is one of the first Grammy award-winning producers, and sound engineers to receive the special recognition award from The Recording Academy in 2003, for his role on Ashanti self-titled album Ashanti in the Best Contemporary R&B Album category.