David Rendall started working as a paper boy when he was eleven years old. Since then he has been a stock boy, lawn boy, painter, janitor, tutor, resident assistant, job coach, supervisor, nonprofit manager and senior executive.

He is currently an international speaker, author, consultant and entrepreneur. In 2004 he founded Rendall & Associates, a consulting firm that specializes in leadership development and strategic planning for businesses and nonprofits. He has served people and organizations throughout the United States, Canada, Australia and the United Kingdom.

He is also Assistant Professor of Business at Mount Olive College where he was nominated for Teacher of the Year in 2006 and he teaches graduate and undergraduate courses in management, leadership, strategy and organizational change for the University of Phoenix and Keller Graduate School of Management.

Prior to becoming a professor and consultant, he developed and managed nonprofit enterprises that provided employment for people with disabilities. He has more than fifteen years of experience leading people and organizations.

He earned a doctor of management degree in organizational leadership from the University of Phoenix. He also has undergraduate and graduate degrees in psychology.

His first book was The Four Factors of Effective Leadership. You can read excerpts on The Four Factors of Effective Leadership blog.

He is currently working on a new book, The Freak Factor: Discovering Uniqueness by Flaunting Weakness. You can read excerpts on The Freak Factor blog.