Guo Gu is a Chan teacher and professor of Buddhism and East Asian religions at Florida State University. The founder and teacher of the Tallahassee Chan Center in Florida, he is the 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 books include Essence of Chan and Silent Illumination (2021).