Dr. John Gray is the author of 15 books, including "Men Are from Mars, Women Are from Venus", the number one best-selling relationship book of the last decade. In the past ten years, over 30 million Mars and Venus books have been sold in over 40 languages throughout the world.

An internationally recognized expert in the fields of communication and relationships, Dr. John Gray's unique focus is assisting men and women in understanding,respecting and appreciating their differences. For more than 30 years, he has conducted public and private seminars for thousands of participants.