Booker (Royce Joshua Woodruff, but he prefers going by "RJ")[1] appears to be one of the campus bookies.[2] Oddly enough, he doesn't appear to be associated with the bookie ring.
Appearances[]
He mentions to Mule that the Las Vegas odds on their upcoming sim run aren't what he would expect.[2]
He is approached by Tweak to help selling the info she got on the Combat Finals. Later, he is seen accepting bets besides the other bookies in Arena 99.[1]