Join the company who has helped millions of people for over 30 years in the industry. Marshall Sylver, CEO of Certainty Inc., a world-renowned hypnotist and master of interpersonal communication, has been harnessing the power of the human mind since he was a child. Marshall has mastered his subconscious mind and turned the world around by offering programs that have changed countless people’s lives and creator of the number one personal development program worldwide.