
Tetsuya Mizuguchi is the Yin to Q Entertainment CEO Shuji Utsumi's Yang. During a panel at GDC, Utsumi revealed that Mizuguchi's dislike of authority often frustrates him, but that they've achieved a checks and balances system that keeps the company cranking out musical masterpieces like Lumines and Every Extend Extra. Key to that success is apparently Utsumi's insistence that the company stay small:
I am sticking to the idea that putting* Every Extend Extra Extrem*e on XBLA is fantastically excellent, but not quite as excellent as putting Rez on XBLA would've been.
GDC: Q's Utsumi Wants to Continue to Rock [Gamasutra]