Companies offer sponsorship programs to help a more diverse group of high performers and future leaders advance. But the efforts can often misfire. Herminia Ibarra, professor at London Business School, says that’s because these arranged developmental relationships can lack authenticity and meaningful paths for action. She explains the key distinctions of mentorship and sponsorship and recommends that companies focus on two vital qualities: public advocacy and relational authenticity. Ibarra wrote the HBR article “How to Do Sponsorship Right.”