Samuel Ellison, known professionally as Maztr, is a producer, musician, mixing engineer. He began his career in 2012, working with various artists such as MuhTeyOh, Lil Røcket, Joe Dohn, Misschelle Renée, C'est Lief. He collaborated with local producers such as qure and concord beats releasing Maztr X Qure in September 2019. Other production releases include HiiLiife, Rollin', 2ctr, MastHERpiece, Curse Has Been Lifted. After years of working solo in 2017, he founded his production company Good Boyz Muzic LLC (GBM) alongside rapper, songwriter, and best friend Joe Dohn. The College Park, MD-based label would go on to sign artists ROSE, King Davv, and Naisai in 2020. Maztr is currently producing his second instrumental album alongside qure Maztr X Qure.