Charles Fay is an American author, consultant, and expert on child discipline and parenting. He is best known for his work associated with the Love and Logic Institute, an organization that educates parents and teachers on raising self-confident, motivated children who are ready for the real world. Fay has co-authored several books with Foster W. Cline, including "Parenting with Love and Logic" and "Teaching with Love and Logic," which present strategies for nurturing responsible and respectful behaviors in children. His work emphasizes the importance of balancing love and empathy with consequences and accountability, providing parents with practical techniques to help children make good choices and learn from their mistakes.