In Tibetan Buddhism, the term “tulku” (sprul sku) designates a recognized reincarnate lama who is regarded as the conscious rebirth of a previous spiritual master. Literally meaning “emanation body” or “transformation body,” it points to a manifestation of enlightened mind that appears in the world for the sake of beings. A tulku is not seen as an ordinary rebirth driven solely by karma, but as the deliberate return of a realized being who chooses to continue the work of benefiting sentient beings. This understanding places the tulku within a broader Mahāyāna–Vajrayāna vision of enlightened activity unfolding in accessible, human form.

The tulku system carries profound significance for the continuity of Buddhist lineages. Through various methods—such as divination, dreams, oracles, and testing young children for memories or recognition of objects from a previous life—communities seek to identify the rebirth of a departed master. Once recognized, the tulku is trained to uphold and transmit specific teachings, meditation instructions, and styles of realization, thereby preserving the living stream of a lineage across generations. This continuity is not merely institutional; it is understood as the ongoing presence of a particular enlightened influence that guides disciples and safeguards the integrity of the teachings.

Within this framework, tulkus naturally assume roles of spiritual authority and leadership. They are often entrusted with the responsibility of teaching, guiding disciples, and overseeing monasteries or retreat centers, serving as both religious and, at times, temporal leaders. Their authority rests on the belief that they have voluntarily taken birth to benefit others, and thus embody a compassionate commitment that transcends a single lifetime. In the case of masters such as Tulku Urgyen Rinpoche, recognition as a tulku affirms the capacity to carry forward profound contemplative instructions—such as those of Dzogchen and related meditative traditions—and to maintain the unbroken thread of realization within a particular spiritual heritage.