Keith Farrelle Cozart, known professionally as Chief Keef, was born on August 15, 1995, in Chicago, Illinois. He grew up in the South Side of Chicago, a neighborhood known for its high crime rates and gang activity. Raised by his grandmother, he started rapping at a young age and gained local fame with his mixtapes while still a teenager. His early life was marked by frequent run-ins with the law, which only added to his notoriety.

His career took off in 2012 with the release of his mixtape "Back from the Dead," which included the hit single "I Don't Like." This song caught the attention of Kanye West, who remixed it, bringing Chief Keef into the national spotlight.

Later that year, he released his debut studio album "Finally Rich," featuring popular tracks like "Love Sosa" and "Hate Bein' Sober." The album's success solidified his place in the rap industry and made him a pioneer of the drill music genre.

Throughout his career, Chief Keef has been known for his raw and unfiltered lyrical style, often reflecting the harsh realities of his upbringing. His discography includes several studio albums, such as "Bang 3," "Dedication," and "4NEM," as well as numerous mixtapes.

His personal life has been as tumultuous as his career. He has nine children and has faced various legal challenges, including arrests for drug possession and probation violations.

Some of his best songs include "I Don't Like," "Love Sosa," "Hate Bein' Sober," "Faneto," and "Earned It." These tracks have not only been commercial successes but have also garnered critical acclaim for their impact on the rap genre. Over the years, Chief Keef has received several awards and nominations, further cementing his legacy in the music industry.