IDG Contributor Network: How to run two complex projects at the same time

Let's face it, project managers often must lead two, three, maybe even five or more projects concurrently. I've led more than that at once. But usually we aren't leading more than one large or complex project at the same time. Or at least not two that are going full steam requiring a lot of our time all at once.But what if we were? What if we had two very important, very complex, high dollar projects dropped on us at the same time with high expectations of getting out of the gate fast and reachi