Leonard Gibson, Ph.D., graduated from Williams College and earned doctorates from Claremont Graduate School in philosophy and The University of Texas at Austin in psychology. Lenny has 50 years of experience working with non–ordinary states of consciousness. He has taught at The University of Tulsa and Lesley College and served his clinical psychology internship at the Boston, MA V.A. Hospital. He also taught transpersonal psychology for 20 years at Burlington College. Lenny serves on the board of the Community Health Centers of the Rutland Region in Vermont. A survivor of throat cancer, he facilitated for several years the head and neck cancer support group at Dartmouth Hitchcock Medical Center. He is a past president of the Association of Holotropic Breathwork International.

Elizabeth and Lenny are Grof–certified Holotropic Breathwork® (HB) facilitators and are also both certified in International Grof® Legacy Training by Stanislav and Brigitte Grof.  They have been practicing and teaching breathwork for over 35 years, gradually incorporating this experience with the principles of process philosophy. In 2019 Lenny and Elizabeth formed the nonprofit Dreamshadow Group, Inc., a 501(c)(3) educational organization. They have raised their two sons on a hillside at their homestead in Pawlet, Vermont, where they built a retreat and began offering HB workshops in 1994.