Evangelical Christian writer, speaker, and pastor known for his New York Times bestselling, leadership-oriented self-help books. His popular titles include The 5 Levels of Leadership, The 17 Indisputable Laws of Teamwork, and Your Road Map for Success.
He was mentored by televangelist Robert H. Schuller, leader of the Crystal Cathedral and host of the Hour of Power religious program.
His books sold nearly twenty million copies between 1987 and 2012.
The Michigan-born son of a pastor, he attended Ohio Christian University and the Fuller Theological Seminary.
He and Tom Clancy were among the twenty-five authors whom Amazon.com inducted into its Tenth Anniversary Hall of Fame.