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Teachers and Dharma Holders

Teachers and Co-Abbots

As the spiritual leaders of the community, Chozen Bays, Roshi and Hogen Bays, Roshi are the primary spiritual guides overseeing and helping to ensure the continued authenticity of the practice. As co-abbots of Great Vow Zen Monastery, they lead sesshin, ordain and train priests, and take responsibility for running the monastery. 

Chozen Bays, Roshi

Since 1985 Chozen Roshi has been the teacher for Zen Community of Oregon. In 2002 she helped to found Great Vow Zen Monastery and is co-abbot. In 2011 she also helped found Heart of Wisdom Zen Temple in Portland, Oregon. She has written books on mindfulness and mindful eating, and written articles published in Buddhadharma and Shambhala Sun.
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Hogen Bays, Roshi

Hogen Bays began practicing in 1968 with Philip Kapleau, Roshi doing residential training at Zen Center of Rochester and eventually at Zen Center of Los Angeles with Taizan Maezumi Roshi. Since 1990 he's continued his Zen studies with Shodo Harada Roshi in Japan and on Whidbey Island. He's a psychologist and Naturopathic Doctor (ND). He is co-abbot of Great Vow Zen Monastery.
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Lay Teachers

Abby Mushin Terris, Lay Teacher


Abby Mushin Terris has been practicing Zen since 1977. In 1992 she began Corvallis Zen Circle, a small sitting group that now has evolved into Sangha Jewel Temple where she is the guiding teacher. Mushin received Lay Transmission from Chozen Roshi in 2013 and is one of the sesshin leaders in ZCO. She also works as a psychotherapist and is the mother of two grown daughters.

Larry Fuho Trussell, Lay Teacher


Larry Fuho Trussell has been practicing Zen since 1976, and received Lay Transmission from Chozen and Hogen Roshi in 2015. Fuho is the lead teacher on Sunday mornings at Heart of Wisdom. He is one of the sesshin leaders in ZCO. He works as a research scientist and is married with one grown son.

Kim Hoben Hansen, Lay Teacher

Kim Hoben Hansen has been practicing Zen since 1995 and is the guiding teacher of the North Shore Zendo in Vancouver, Canada.  Hoben received Lay Transmission from Chozen and Hogen Roshi in 2015. He is one of the sesshin leaders in ZCO. He practices law as a tax litigator and is married with three grown daughters.

Kodo Conover, Lay Teacher

Nancy Kodo Conover has been practicing Zen since 2000 and received Lay Transmission from Chozen and Hogen Roshi in 2015. In 2010 Kodo retired from a career as a vocational rehabilitation counselor to help establish Heart of Wisdom Zen Temple. She leads Tuesday night meditation and discussion at Heart of Wisdom, as well as our Work-a-Day Sesshin. She is married and has lived in the Pacific Northwest her whole adult life.

Ordained Teachers

Jogen Salzberg, Sensei

Jogen Salzberg, Sensei has been practicing Zen since 1997, he entered monastic training at Great Vow in 2003 and received Dharma Transmission from Chozen Bays, Roshi and Hogen Bays, Roshi in 2017.Since 2011 He has been a student of Dzogchen teacher Keith Dowman. Jogen is one of the guiding teachers at the monastery and serves as the Assistant Abbot and Director of Training. Jogen leads a weekly meditation gathering at Heart of Wisdom, and DJ’s for the live-blended listening meditation event Beyond the Sound.

Dharma Holders

Dharma Holders are selected by the teachers for ongoing teaching responsibilities and for their spritual leadership. Dharma Holders have typically practiced with the teachers for 10-20 years, completed scores of sesshin, and completed an intensive three-year course of study.

Patrick Bansho Green, Dharma Holder

Patrick Bansho Green has been practicing Zen since 2004 and was made a Dharma Holder in 2015. From 2006-2012, he served as ZCO President and is the current Administrator. For twenty years, he worked nationally with labor unions on creative organizational change strategies. 

Laura Jomon Martin, Dharma Holder

Laura Jomon Martin has been practicing Zen since 2004 and in 2016 was made a Dharma Holder. Her career has been in social work since 1993, primarily in community mental health, and she is currently an LCSW in private practice, and a teacher of Mindfulness-Based Stress Reduction, certified through University of Massachusetts Medical School. 

Ed Gensho Welsh

Ed Gensho Welsh began practicing Zen in 2002 and was made a Dharma Holder in 2016. He facilitated study groups devoted to Buddhism and recovery from 2010 to 2012, and helped to launch the first Refuge Recovery meeting in Portland (which meets every Monday at 7 p.m. at Heart of Wisdom Zen Temple). He is married with three children.

Amy Kisei Costenbader

Amy Kisei Costenbader is a Dharma Holder and ordained Zen priest who currently lives and practices at Great Vow Zen Monastery, where she has resided since 2010. She was made a Dharma Holder in 2018. Kisei is the Director of Communications and organizes and writes for the Zen Community of Oregon's On-line Newsletter. She also teaches meditation at Reed College in Portland, Oregon.