Dr. John F. Demartini is an American author and human behavior specialist widely known for his work on personal development, values, and human potential. Born in Houston, Texas, he overcame early learning difficulties as a child before going on to become a self-described polymath, building a career spanning decades of research across philosophy, psychology, and human behavior. He rose to wide acclaim as the author of more than 40 books published in dozens of languages, including The Breakthrough Experience and The Values Factor: The Secret to Creating an Inspired and Fulfilling Life. He is best known for developing the Demartini Method, a framework he created to help individuals identify and align with their core values in order to achieve greater fulfillment and reduce emotional imbalance. Through his Demartini Institute and decades of global speaking engagements, he has built a curriculum touching on relationships, wealth, education, and business, sharing stages with figures including Deepak Chopra and Richard Branson. Known for his dense, cross-disciplinary approach to personal transformation, Demartini's work continues to shape popular self-help and human-development writing and inspire readers across the world.