Sudan Ameer Williams (born November 16, 1989), better known by his stage name Iamsu!

He is the co-founder and lead member of the hip hop group HBK Gang, which was formed in 2008 and joined by fellow Bay Area artists including Kehlani and Sage the Gemini.

He signed with Alternative Distribution Alliance to release his debut studio album Sincerely Yours (2014), which moderately entered the Billboard 200 and received mixed reviews.

started rapping under his stage name "Su", but then he decided to change it to Iamsu!

This mixtape features guest appearances from Juvenile, Problem, and Wiz Khalifa.

and Problem, released a collaboration mixtape, titled Million Dollar Afro.

began his first headlining tour, in promotion of his then upcoming mixtape, titled Kilt II.

released Kilt II as a retail mixtape, for free and to iTunes on July 9, 2013.

continuing to transform from a promising, agreeable Bay Area rap figure into a burgeoning star.

's production prowess as it is evidence of his unique lyrical skills, the new tape is an enjoyably bumpy ride through treble-y bleeps, bassy bloops, tinny drums, and hard-hustling vocals.

was also featured on Sage the Gemini's 2013's hit single "Gas Pedal", which peaked at number 29 on the US Billboard Hot 100, making it both artist's first top 40 entries and their most successful single to date.

On January 7, 2014, he announced that his debut album would be titled Sincerely Yours and be released in April 2014.

[22] On January 28, 2014, he released the album's first single, titled "Only That Real" (featuring 2 Chainz and Sage the Gemini).