He is Cal's agent. When he and Cal target a player, Wes makes it happen. Keep in mind that the NCAA has banned Wes from credentialed areas of all NCAA events.
After its all said and done, there will be a book and documentary about it all. Just like how Sam Gilbert was the man who built UCLA basketball while Wooden was the brand that everyone bought. Cal is the brand being sold now and Wes is making it happen behind the scenes through Creative Artists Agency.
He's the modern version of Sonny Vaccarro. Its all about trust and the sphere of influence, and in the end, connecting talent with money and the best situation for each of his clients.