*Game director
Just so people don't get the wrong idea, Yu Suzuki is the director of the Shenmue series (not a "producer" like Inafune), and people like Okayasu are there to have tasks delegated to them, split Suzuki's overall workload, and be another creative voice towards game creation.
This is still a big deal though, because it solves one of the problems Yu had mentioned having in development, which was that he was overloaded with so much work. Hopefully this means Yu will be sleeping less at the office, but I doubt it. He thrived under those conditions at SEGA, so I suppose he enjoys constantly being in "work mode" to some degree.