Jiryu Rutschman-Byler is a Soto Zen Buddhist priest and teacher in the lineage of Shunryu Suzuki Roshi, with dharma transmission from Sojun Mel Weitsman. He lives and teaches at Green Gulch Farm Zen Center, where he is the Abbot and is the head teacher of the Buddhadharma Sangha of San Quentin State Prison.

Jiryu has trained in Zen temples in the US and Japan since 1996. He also holds a master's degree in Asian Studies from UC Berkeley (2014), where he worked under the mentorship of the Group in Buddhist Studies on Buddhist texts in classical Chinese and modern Japanese. His thesis research focused on Nishiari Bokusan and the development of Soto Zen in Japan during the Meiji Period (1868-1912).

He is the author of the book Two Shores of Zen, about his experiences in 2002 to 2004 as an American-trained monk practicing in Japanese Zen monasteries. Other writing of his has appeared in the Buddhist periodicals Buddhadharma and Turning Wheel. Along with his brother, Rev. Hondo Dave Rutschman, he maintains the blog No Zen in the West.

Jiryu has lived continuously at Zen temples since the age of 20. He was ordained a Zen priest in 2002 by Seido Lee deBarros, began teaching as Shuso (Head Student) under Myogen Steve Stücky in 2008, and in 2014 received full authorization to teach, completing Dharma Transmission with Sojun Mel Weitsman.