Recently promoted to her outgoing manager’s job, Rhianna often compares herself to her new peers — five women she looks up to. She wonders if she belongs in this room of senior executives, but there is no doubt in her manager’s mind about her qualifications. Rhianna has a PhD, has won awards in her field, has built a strong team, and is loved by her clients. Nevertheless, she is filled with self-doubt. When left unchecked, her thoughts devolve into demons of imaginary disasters.