Mark D. Nevins, Ph.D. is a leadership consultant to top executives and organizations large and small across a range of industries. Earlier in his career he was responsible globally for learning and development for Booz Allen Hamilton, and for organization development and human resources for Korn/Ferry. He has coached a range of executives from the C-suite to high-potential vice presidents at large companies such as American Express, Citibank, NBCUniversal, and TimeWarner, as well as smaller companies and high-growth startups. A Harvard Ph.D. and former literature professor, his views on leadership and business are informed by universal themes of the human condition. He has traveled, worked, and taught in more than 50 countries. An author and blogger, his previous work includes The Advice Business, a book on management consulting.