What can boards and executive teams do to innovate? How can they be more certain that significant risks have been identified? How do diverse teams create breakthrough ideas and make smarter decisions? Which Two Heads Are Better Than One? provides the answers. Drawing on rigorous academic and applied research, Juliet Bourke challenges mainstream assumptions about diversity of thinking, and provides practical ideas to help ensure teams see scenarios broadly, discuss options thoroughly and mitigate social, informational and attentional biases effectively. This book is a must-read for any leader looking to increase their ability to create genuinely diverse thinking groups, engage in more productive conversations and make wiser judgements.