Ajahn Thanissaro (Geoffrey DeGraff) is an American monk of the Thai forest tradition. After graduating from Oberlin College in 1971 with a degree in European Intellectual History, he studied meditation under Ajaan Fuang Jotiko in Thailand and ordained in 1976. In 1991 he helped establish Metta Forest Monastery in San Diego, CA where he is the abbot. He is a prolific writer and translator. Many of his works can be found online at www.dhammatalks.org