Dave is a popular speaker at rallies, minister's conferences, churches, civic group meetings, business training sessions, colleges, camps, and Bible schools. He coaches church leaders, business leaders, entrepreneurs, and followers of Christ on how to live a pacesetting life. His three-pronged approach--spiritual, attitudinal, and practical--has transformed ordinary people into extraordinarily successful leaders in every field of endeavor. Through cultivating the individual's inherent gifts and enhancing professional--or ministry--performance, he helps to instill the kind of authentic values that attract success. He emphasizes that staying connected to the Great Commission will ultimately lead to greater levels of accomplishment. Dave has authored over 60 books that teach and inspire readers in Christian growth, financial success, health and healing, and many other areas of Christian living. His book The New Life.The Start of Something Wonderful has sold over three million copies and has been translated into eight languages.

More recently, he wrote The World Beyond (over 100,000 copies sold). His Miracle Results of Fasting (Harrison House Publishers) was an Amazon.com five-star top seller for two years in a row. Dave's articles and reviews have appeared in national magazines: Advance, Pentecostal Evangel, Charisma, Ministries Today, Lansing Magazine, Detroit Free Press, World News, and others.