Dave Logan is co-founder and president of CultureSync, a Senior Lecturer at University of Southern California (USC) Marshall School of Business, and New York Times bestselling author. He is co-founder and president of CultureSync, a management consulting firm focused on the intersection of strategy and culture. CultureSync has consulted dozens of Fortune 500 companies, major nonprofits, and governments around the world. He has been on the USC faculty since 1996 and has a Ph.D. in Organizational Communication from the Annenberg School at USC. Dave authored or co-authored six books, including the bestseller Tribal Leadership and The Three Laws of Performance.