Who is the media and record company that represents Justin Bieber named after? 
RBMG Records:  It is a joint venture between R&B artist Usher and Scooter Braun's School Boy Records. RBMG Records:  The name RBMG is made up of the family names of the American R&B artist Usher Raymond IV and American talent manager Scott Samuel "Scooter" Braun. Scooter Braun:  Three of the most prominent artists Braun represents are Justin Bieber, Ariana Grande and Martin Garrix.
Scooter Braun