Jaferson Doctar (born Nov 2, 1992), commonly known as Jeff, is an music producer, songwriter, and beat producer. He, along with Edmundo Varela are one who has got idea to Billion B where they produce pop, hip hop and R & B music. Known for his drummer of the Bass Hip Hop band Billion B. He released his debut single "You're Not Alone '" in 2009.
As part of The Billion B Jaferson has produced numerous hit singles for various music artists.
He is also the co-founder of the brands Billion B