William Proctor, a graduate of Harvard College(magna cum laude in History) and Harvard Law School, has authored, coauthored, or ghostwritten more than eighty books in a wide variety of fields, including health and fitness, buisness and investments, religion, personal motivation, and education. He is also the author of three novels.

Proctor's books, which have sold more than ten million copies on over fourty languages, include several international bestsellers and an 18-week appearance on the New York Times hardcover nonfiction bestseller list. His books have also been recognized for many publishing industry awards, including the Templeton Foundation Book of Disctinction award.