I always thought Chase rode for Shred Stixx ( <--hey, I spelled it right. ;-) ) and SS had centurions, I am not sure if he officially rode for SS, I know in the photo shoots and stuff I don't think he was there for Centurion. Not really sure though.
As far as Tige, he went riding with us in the Fall behind our 24Ve.
http://www.youtube.com/watch?v=R0thJOSGW_A
He rode amazing as usual, but he also really liked the wake, and this was not the first time he rode with us, and he also rides a lot with Dom behind and RZ2. He was talking about his love of teaching wakesurfing and desire to do that more and more but wanted a boat that could switch from side to side as easily as we do, with a great wake. He asked me if Tige was looking for riders. I told him I didn't know but I knew how to find out. So the next day or so I made the call and set up a meeting for him and the rest is history I guess.
Him and Sean and a few others should be out again soon to tear it up behind the new Z3. Can't wait, I never get tired of seeing them from the ballast boy seat, its a privilege, no doubt.