" DO NOT ADD FOUNDERS TO ENHANCE FUNDABILITY. The reason to bring in additional founders—and any other employee but especially founders—is to make your startup stronger and more likely to succeed. Ask yourself, “Would I hire this guy if we didn’t need funding?” If your answer is no, you’d be insane to hire him. "

― Guy Kawasaki , The Art of the Start: The Time-Tested, Battle-Hardened Guide for Anyone Starting Anything