Anthony "Tony" Robbins is an American self-help author and motivational speaker. He became well known through his infomercials and self-help books, Unlimited Power: The New Science Of Personal Achievement and Awaken The Giant Within. Robbins writes about subjects such as health and energy, overcoming fears, persuasive communication, and enhancing relationships. Robbins began his career learning from many different motivational speakers, and promoted seminars for his personal mentor, Jim Rohn. He is deeply influenced by neuro-linguistic programming and a variety of philosophies.