Ole Nydahl, also known as Lama Ole, is a lama providing Mahamudra teachings in the Karma Kagyu school of Tibetan Buddhism. Since the early 1970s, Nydahl has toured the world giving lectures and meditation courses. With his wife, Hannah Nydahl, he founded Diamond Way Buddhism, a worldwide Karma Kagyu Buddhist organization with over 600 centers for lay practitioners.
Nydahl is the author of more than twenty books about Diamond Way Vajrayana Buddhism, with translations into multiple languages. Titles include The Great Seal: Mahamudra View of Diamond Way Buddhism, The Way Things Are, Entering the Diamond Way, Buddha and Love and Fearless Death.