Jack is also a Medium, Spiritualist Counselor, Healer, Lecturer and teacher who has taught and spoke at many different venues both nationally and internationally. A member of the Lily Dale Medium's League.
Retired from Chautauqua County, where in addition to his regular duties taught "High Performance Government", which is Demmings' theory of productivity to County employees. In 2013, after 20 years as serving as President of the Jamestown Central Labor Council, and Executive Board of the Western New York Area Labor Federation AFL/CIO retired completely
He has been speaking with those in Spirit since he was a child.