Phagmo Drupa Dorje Gyalpo (Tibetan: ཕག་མོ་གྲུ་པ་རྡོ་རྗེ་རྒྱལ་པོ, Wylie: phag mo gru pa rdo rje rgyal po), was one the three main disciples of Gampopa Sonam Rinchen who established the Dagpo Kagyu school of Tibetan Buddhism; and a disciple of Sachen Kunga Nyingpo one of the founders of the Sakya school of Tibetan Buddhism. He was the elder brother of Kathog Dampa Deshek, who founded Kathog monastery and the Kathog branch of the Nyingma school.
Read more about Phagmo Drupa Dorje Gyalpo: Biographical Details, The Phagmodrupas