In my 40 years of corporate experience and owning my own business, I've found that he most important ingredient in a company's success is having a "winning team".
Jim Collins, in his book "Good to Great", states that the first component is "first who, then what". Once you are clear about your Vision and Strategy, and you have buy-in, then it is paramount to ensure your leaders -- especially the core group -- have the desire and capability to make the journey.
Generally, in any group, 20 percent are stars, 70 percent are in the herd, and10 percent you cannot "get to come out of the dog house". You must deal with these individuals in the "dog house" and quickly. Gallup research shows that if they become disengaged, they will drain energy from the group and bring everyone down. The key – address it and make your moves before proceeding!