Are you an effective leader? It’s easy to tell, according to Gerald D. Bell, Ph.D., a leadership expert and professor at UNC’s Kenan-Flagler Business School. Through years of research, Dr. Bell discovered a way leaders can measure the effectiveness of their team by evaluating five areas. First, evaluate individual performance. In great teams, each member typically performs at his or her highest level of ability. Terrible teams, even with individuals who might be highly talented, perform below th...