In chapter $2,$ the author makes it clear that contemporary leaders should be:

Like mice $--$ always curious to know what other dominant, and in charge groups are doing while holding on to key information about the elephants

Like elephants $--$ dominant in their approach to organizational success and unwavering based on the opinion of the few detractors

Like elephants and mice $--$ confident in what you know is best for your firm, while also emotionally available and flexible when working with others that are different