Dr. Nathaniel Branden is the author of numerous books on the psychology of self-esteem, romantic love, and the life and thought of Objectivist philosopher Ayn Rand. His work has been translated into eighteen languages and has sold more than four million copies. Some of his popular titles include Taking Responsibility, The Six Pillars of Self-Esteem, and My Years with Ayn Rand. In addition to his work as a writer, Branden has also worked as a lecturer, therapist, and corporate business consultant. He is the founder and executive director of The Branden Institute for Self-Esteem, a counseling center in Los Angeles, California.