Nathaniel Branden is a philosopher, lecturer and practicing psychotherapist. His reputation as an original and challenging thinker began with articles in the Objectivist, a journal of ideas that he co-founded with novelist-philosopher Ayn Rand. He is the renowned author of twenty books, including My Years with Ayn Rand, Taking Responsibility, and The Six Pillars of Self Esteem. His work has been translated into 18 languages and has sold over 4 million copies.