Jes Bertelsen (born March 27, 1946), Dr. phil. in History of ideas, is a Danish spiritual teacher and author. Since 1982 he has been the leader of Vækstcenteret (i.e. "The Growth Center"), which he and his wife at the time, Hanne Kizach, founded in Norre-Snede Municipality, Denmark. His teachings are based on an experiential investigation of the nature of consciousness, using comparative analysis of Eastern and Western spiritual teachings and consciousness practices on a foundation of modern psychological, philosophical and scientific approaches. He teaches in Danish. A number of his books have been translated into German.