In 1961 Professor David Snellgrove invited him to London under the auspices of the Rockefeller Foundation Visiting Scholar program. He remained in England for three years, collaborating with Professor Snellgrove on The Nine Ways of Bön, the first scholarly study of the Bön tradition to be made in the West.
Returning to India in 1964, Rinpoche founded Dolanji Settlement in northern India in order to give a home to the Bönpo people in exile. He returned to Europe in 1969 as a visiting scholar at Munich University to collaborate on a Tibetan-German-English dictionary. From 1970 to 1979 Lopon Rinpoche taught the monks at the Bönpo Monastic Center in Dolanji while at the same time supervising the publishing of a large number of important Bönpo texts in New Delhi. By 1978 enough texts were published to organize a curriculum around them. A traditional dialectic school was established under the guidance of Lopon Rinpoche. The purpose of this college was to preserve the Bönpo philosophical tradition where analysis and logic are applied to the teachings of the Sutras, the Tantras, and especially to the Dzogchen. In 1987 he founded another Bönpo monastery and International Education Center known as Triten Norbutse, near the well-known hill of Swayambhu, west of Katmandu, Nepal.
In 1992 Lopon Tenzin Namdak published Heartdrops of Dharmakaya, a handbook of Dzogchen meditation practices, from preliminaries to the most advanced Tögal practices. This is the first book in English that is commonly available that actually describes in detail the practices of Dzogchen. Lopon Tenzin Namdak has traveled to the West several times.