Marvin Wayne Harvey (born May 12, 1954) is an American basketball shooting instructor, former college player and coach, who currently owns and runs the trademarked Shot Lab™ in Tampa, Florida and the Marvin Harvey Basketball School of Excellence. He has been a shooting instructor and coach since 1982. As a basketball coach he has won over 400 games at the high school and college level. Over the past 28 years he has trained the best shooters in the world on every level. Two of his most notable students are Raja Bell and Tamika Catchings. He is known as the "Shot Doctor".