Jack Sparks holds a Masters degree in Counseling Education from San Diego State University and is a member of the faculty of City College of San Francisco. He received his certification in hypnotherapy at the Hypnosis Institute of San Diego and has been in practice since 1991. Jack also received extensive training from Dr. Stephen Gilligan, a protege of Milton Erickson's, possibly the foremost hypnotherapist of the twentieth century. He has helped several clients successfully overcome: weight problems, sexual dysfunction, stuttering, insomnia, self-esteem problems, life traumas and many other issues. It is his soothing voice that guides you into trance on the Hypnodynamics CDs.