Author, speaker, entrepreneur, and mental training coach are the roles Dr. David L. Cook has assumed over the past two decades. His clients have included NBA World Champions, National Collegiate Champions, PGA Tour Champions, Olympians, and many Fortune 500 companies. He is the author of the bestselling book Golf's Sacred Journey. He and his wife, Karen have been married for over 35 years, have two daughters, and live in the hill country of Texas.