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Jeffrey Sonnenfeld & Roya Hakakian

Jeffrey Sonnenfeld is the senior associate dean of leadership studies and a professor of management practice at the Yale School of Management and the author of "Firing Back." Roya Hakakian is the author of, most recently, "Assassins of the Turquoise Palace," and a co-founder of Iran Human Rights Documentation Center.

Items by Jeffrey Sonnenfeld & Roya Hakakian