Thomas W. Phelan

Thomas W. Phelan, Ph.D. is a clinical psychologist and author specializing in child discipline and parenting.

He is best known for his "1-2-3 Magic" program, which has sold millions of copies worldwide and been translated into multiple languages.

Phelan has over 40 years of experience working with children, families, and schools.

He regularly conducts seminars and workshops for parents and professionals.

In addition to "1-2-3 Magic," Phelan has written several other parenting books and produced videos on child behavior management.

His approach focuses on simple, practical techniques for discipline and improving parent-child relationships.