John Gray, Ph.D. is the author of Men Are From Mars, Women Are From Venus, the best-selling relationship book of all time. An internationally recognized expert in the fields of communication, relationships, and personal growth, he is a Certified Family Therapist (National Academy for Certified Family Therapists), a consulting editor of The Family Journal, a member of the Distinguished Advisory Board of the International Association of Marriage and Family Counselors, and a member of the American Counseling Association. He lives with his wife and their three children in Northern California.