Guo Gu (Jimmy Yu) is Sheng Yen Professor of Chinese Buddhist Studies at the Florida State University. He is the founder and teacher of the Tallahassee Chan Center in Florida, and trainer of all Western dharma teachers in the Dharma Drum lineage of master Sheng Yen; in 2020, he also founded the socially engaged, intra-denominational Buddhist organization Dharma Relief. His recent books include Sanctity and Self-Inflicted Violence in Chinese Religions, 1500–1700 (2012) and Reimagining Chan Buddhism: Sheng Yen and the Creation of the Dharma Drum Lineage of Chan (2021).