Jennifer Chatman, Professor of Management at UC Berkeley’s Haas School of Business , looks at the role of narcissism in leadership and why CEOs of corporations “are more likely to be narcissistic than the population at large, by about 6%.” Ramani Durvasula , clinical psychologist and author of It's Not You: Identifying and Healing from Narcissistic People , provides the clinical definition of narcissism. She explains how those traits can be present in others and the harm and hurt they cause. “They're so grandiose, your simple piece of feedback can spin them out into a rage,” she says.