Bill Guggenheim and his former wife Judy, conducted seven years of research on After-Death Communication (ADC) for their book, Hello From Heaven! During this time, they interviewed 2,000 people and collected more than 3,300 first-hand accounts of ADC experiences. Bill is on the Board of Advisors of the International Association for Near-Death Studies (IANDS) and is a member of the Association for Death Education and Counseling (ADEC). He presents workshops at conferences for bereavement support groups, hospices, churches, colleges, and many other types of institutions.