Geoffrey Tumlin is the author of Stop Talking, Start Communicating: Counterintuitive Secrets to Success in Business and in Life. He is the founder and CEO of Mouthpeace Consulting LLC, a communication consulting company; president of On-Demand Leadership, a leadership development company; and founder and board chair of Critical Skills Nonprofit, a 501(c)(3) public charity dedicated to providing communication and leadership skills training to chronically underserved populations. His writing on communication and leadership has appeared in scholarly journals, newspapers, and textbooks, including Discourse Studies, theInternational Leadership Journal, the Encyclopedia of Leadership, the Austin American-Statesman, and five editions of Professional Communication Skills.