Cassius Ellison. Professionally known as Blazer Barboza is a American Rapper. He is also known for assisting and promoting talent throughout the Music Industry. Blazer Barboza has helped contribute to many rappers and there success. This consist of Digital Marketing and scouting new talent. Here are a few celebrities you may know of like Roddy Ricch , The Weeknd, T.I., Boosie Badazz and Future(rapper). Ellison has earn marking credits from the selected few mentioned above. Blazer Barboza has 6-7 years of experience in the field of A&r and Digital Marketing.