(Take This Seriously!)
Manager of an 11-person project team? Members from four functions—and two or three companies? Guess what: You are a full-bore, no-bull "coalition commander"!
Success Key #1: Make friends. Pointedly—that is, consciously—"invest" in this, big time.
Macro-success Key: In hiring, promoting, incenting, pay (close) attention to friend-making proclivity-skills.