Although Square Enix announced Final Fantasy XIII in 2006 with an elaborate trailer, the team behind the game had little direction beyond this proof of concept, which led to problems as development ramped up. This lack of a shared vision is one of the aspects of development explored in a Game Developer magazine in-depth postmortem of FF XIII, written by Motomu Toriyama and Akihiko Maeda. Follow the link for excerpts; the full article must be purchased.
Currently a project director with Square Enix's Division 1 team, Motomu Toriyama began his career at Square as an event planner for such titles as Bahamut Lagoon, Final Fantasy VII, and Final Fantasy VIII. More recently he served as director of Final Fantasy X-2, Final Fantasy XIII, and Final Fantasy XIII-2.