This book shows that leadership should become a shared practice among members of a team, group, or organization.
 To contribute to collective leadership, each member must be able to develop and exercise their own leadership capital.

 The book offers a leadership learning and development model accessible to everyone, built from interviews and examples of individuals whose potential was not initially apparent. This model is expressed through seven key strategies: breaking free from conformity, practicing "T-shaped learning," developing a sense of efficacy, strengthening resilience, learning from others, clarifying one's personal vision, and above all, taking concrete action.