Gerry Shishin Wick is President and Spiritual Leader of the Great Mountain Zen Center in Lafayette, Colorado. He is a Dharma Successor of Taizan Maezumi Roshi, founder of the Zen Center of Los Angeles. He did rigorous training in both schools of Zen, Soto and Rinzai. He received inka and the title Roshi from Bernie Glassman in 2006. His latest books include The Book of Equanimity, Illuminating Classic Zen Koans and The Great Heart Way: How to Heal Your Life and Find Self-fulfillment (co-authored with Ilia Shinko Perez).

Ilia Shinko Perez, Roshi, MA received transmission in the Zen tradition from Gerry Shishin Wick, Roshi in 2000. She is the co-spiritual leader of the Great Mountain Zen Center and abbess of Maitreya Abbey in Berthoud, Colorado. She completed formal Zen studies while simultaneously raising two children and running her business, Rama Imports. Roshi Shinko has an M.A. Degree in Archeology from Universidad Autonoma, Madrid and taught at Caribbean University College, Puerto Rico. She co-authored The Great Heart Way with Shishin Roshi. In October 2015 she received Inka from Roshi Egyoku Nakao, Abbot of the Zen Center of Los Angeles.

Gyōkei Yokoyama completed his training at Eiheiji, one of the head temples of Sōtō Zen, in 2000 before graduating from Sophia University in Tokyo, where he majored in intercultural communication and was involved in the interfaith community. He was a vice bishop of Iwoji temple from 2006 to 2011 and a bishop from 2011 to 2013. Currently, he is assigned to work for the Long Beach Buddhist Church and Montebello Sozenji Buddhist Temple as a minister and the Sōtō Zen North America Office as the secretary.