Lama Surya Das is an authorized lama and lineage holder in the Nyingmapa School of Tibetan Buddhism, and a close personal disciple of the leading grand lamas of that tradition. He is the founder of the Dzogchen Center in Cambridge, Massachusetts, and its branch centers around the country, including the retreat center Dzogchen Osel Ling outside Austin, Texas, where he conducts long training retreats and Advanced Dzogchen retreats. Over the years, Surya has brought many Tibetan lamas to this country to teach and start centers and retreats. As founder of the Western Buddhist Teachers Network with the Dalai Lama, he regularly helps organize its international Buddhist Teachers Conferences. He is also active in interfaith dialogue and charitable projects in the third world.