About Us

About Us

CultureX uses proprietary NLP developed at MIT to measure and improve culture

CultureX builds vibrant cultures to enrich the lives of employees and win in the marketplace.

Founded in 2019 and based in Cambridge, Massachusetts, CultureX delivers actionable insights organizations need to measurably improve their cultures. Harnessing cutting-edge artificial intelligence developed at MIT, CultureX measures culture with high accuracy and pinpoints concrete ways to improve. Based on decades of research and work with dozens of Fortune 500 companies, CultureX provides evidence-based interventions tailored to the client’s unique needs.


Don Sull Co-Founder

Don is a Senior Lecturer at the MIT Sloan School of Management, where he teaches the introductory strategy course, serves on the committee overseeing MIT’s Master of Business Analytics program, and co-founded and co-directed the X-Lab to run randomized controlled trials in organizations.

Sull was formerly a Professor of Strategy and Entrepreneurship at Harvard Business School and the London Business School. He earned his bachelor’s, master’s, and doctorate at Harvard University. Prior to academia, Don worked as a strategy consultant with McKinsey & Company, and a management-investor with the leveraged buyout firm Clayton, Dubilier & Rice.

The Economist named him “a rising star in a new generation of management gurus” and identified his theory of active inertia as an idea that shaped business management over the past century. Fortune listed him among the ten new management gurus. Don has published five books and over 100 case studies and articles, including ten best-selling Harvard Business Review articles. He has advised top teams of over 50 Fortune Global 500 companies.

Charlie Sull Co-Founder

Charlie has advised the senior executive teams of dozens of multinational organizations on cultural management, strategy development, and strategy execution. He conducts regular research at MIT, and his thought leadership has been featured in the Economist, Harvard Business Review, MIT Sloan Management Review, Bloomberg, CNBC, Fortune, Forbes, the Financial Times, Fast Company, Business Insider, Inc., and more.


With Don, Charlie created the MIT Sloan Management Review // Glassdoor Culture 500, the largest systematic study of corporate culture ever conducted. Charlie graduated from Harvard College, where he was the President of the Harvard Lampoon and wrote a New York Times-bestselling novel.

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