In her column for Forbes, BCG’s Julia Dhar explains why productive disagreements within a company’s board of directors can be an indicator of long-term success. In addition to welcoming diverse perspectives, board members need to be aware of their own biases and prepare for arguably their greatest role: succession planning. “Better oversight and decision-making require diverse points of view, from people with different personal and professional backgrounds and experiences,” Dhar contends, adding that encouraging respectful disagreement helps boards become better equipped for the future.