While it takes most surgeons one to two hours to replace a knee, there is an orthopedic surgeon who routinely completes the procedure in 20 minutes and has better outcomes and fewer complications than many colleagues. What is the secret to his success? His team. The surgeon has been working with the same two dedicated teams for 18 years having the same nurses alongside him. He maintains that few of the methods he has pioneered would be practical had it not been for the easy familiarity that comes from working with the same people every day, prompting Harvard Business School to further examine team familiarity and the resulting benefits.