Henry Cloud is an esteemed American clinical psychologist and self-help author, best known for his influential work, Boundaries: When to Say Yes, How to Say No to Take Control of Your Life, co-authored with John Townsend in 1992. The book was a major success, selling two million copies and giving rise to a comprehensive five-part series. Cloud's expertise in the field is further underpinned by his impressive academic background, which includes a Bachelor of Science in psychology, with honors, from Southern Methodist University, and a Ph.D. in clinical psychology from Biola University, completed in 1987. He also furthered his education by taking classes at Talbot Theological Seminary.

As president of Cloud-Townsend Resources, Cloud has made a significant impact in the world of public seminars, focusing on vital relationship dynamics such as marriage, parenting, dating, personal growth, and spirituality. His dedication to the subject is demonstrated through his role in producing and conducting hundreds of seminars across the United States, which are often simulcast to thousands of venues simultaneously. Cloud has been honored with three Gold Medallion awards and received the Retailers Choice award for God Will Make A Way.

In his private practice in Newport Beach, California, which he runs with John Townsend, Cloud continues to guide individuals towards healthier relationships and personal growth. His passion for helping others establish and respect their personal boundaries is evident in his latest books, including Boundaries for Leaders and Necessary Endings, adding to his impressive repertoire of twenty-five published works.