Conversation so far:
What type of figure was Rose in the media?
Academically, Rose graduated from University of Michigan in Mass Communications.
Rose got his first broadcasting experience as a courtside reporter for TNT during the 2006 playoffs.
How many years did he spend as a broadcaster?
CANNOTANSWER.
Did he won any awards?
CANNOTANSWER.
What other business interests was he involved in?
Rose is the owner of Three Tier Entertainment, an independent, Los Angeles based management and production company.

Question: What year did he start his business?
Self-contained rewrite: What year did Rose start Three Tier Entertainment?