Ajahn Pasanno (born Reed Perry, Manitoba, Canada, July 26, 1949) is the most senior Western disciple of Ven. Ajahn Chah in the United States, and most senior in the world after Ajahn Sumedho and Ajahn Khemadhammo. For many years he was the abbot of Wat Pah Nanachat International Forest Monastery in Northeast Thailand. In the late 1990s, Ajahn Pasanno moved to California to head the new Abhayagiri Monastery. With more than 40 years as a bhikkhu (Buddhist monk), Ajahn Pasanno has been instrumental in training many monks in Thailand and the United States and has been supportive of training for women.