Mantak Chia is a world-renowned teacher of the Taoist arts, from Tai Chi to Taoist sexuality. He is the coauthor of The Multi-Orgasmic Man and The Multi-Orgasmic Couple. He lives in Thailand and teaches in the United States and around the world.

Doug Abrams was Desmond Tutu’s coauthor for God Has a Dream and for his children’s books God’s Dream and Desmond and the Very Mean Word. He also was the editor of Tutu’s Children of God Storybook Bible and Made for Goodness. Abrams is the founder of Idea Architects, a book and media company that works with visionary authors to create a wiser, healthier, and more just world.

Mantak Chia is one of the world's leading teachers of the practical Taoist arts, including Tai Chi, Chi Kung, and Taoist sexuality, which he has distilled into a unique system called Healing Love. He is the author of more than a dozen books, including The Multi-Orgasmic Man: Sexual Secrets Every Man Should Know.

Maneewan Chia is also a teacher of the pratical Taoist arts and the coauthor of numerous books. They live in Thailand and have one child.

Rachel Carlton Abrams, M.D., is a family-practice physician who is also board certified in holistic medicine. She is the founder and medical director of Santa Cruz Integrative Medicine and Chi Center, where she specializes in holistic approaches to health and sexuality. The coauthor of The Multi-Orgasmic Couple, she lives in Santa Cruz, California, with her husband and three children.