Robert “Bob” Fifer is an American business consultant, author and speaker. He is the president of Fifer Associates and the author of the best-seller Double Your Profits in Six Months or Less. When it was first published, the book required reading for managers at Fortune 500 companies such as General Electric, Allied Signal, and Citicorp/Travelers. Jack Welch, the highly regarded former CEO of General Electric, bought 125 copies for senior managers, who placed their own orders for another 2,700 copies.