Librarian Note: There is more than one author in the GoodReads database with this name.
John Gray is an American author on relationships and personal growth, best known for his 1992 book Men Are from Mars, Women Are from Venus, and other "pop psychology" books offering relationship advice.
He was previously married to fellow self-help author Barbara De Angelis, but they divorced in 1984. He is now married to Bonnie Gray and has three daughters.