Adaptive Path:

"Every Web team has its own take on dividing up roles and responsibilities and implementing processes for design and development. Formal titles, job descriptions, and reporting structures can vary widely. But the best teams I've encountered have one important thing in common: their team structure and processes cover a full range of distinct competencies necessary for success."

Good wrap-up. Sounds a bit too "user centered" as opposed to "business oriented" but it's probably just cultural.