Brene Brown has spent her professional career dedicated to research and in the research for this book, she sought to answer the question, “How do you cultivate braver, more daring leaders, and how do you embed the value of courage in your culture?” (Brown. 2018. Dare to Lead). She presents four skills essential to daring leadership, and argues that they can be taught, observed and measured. Brown defines define vulnerability and further elaborates on the essential role it plays in courageous leadership.