Omraam Mikhaël Aïvanhov (Bulgarian: Омраам Микаел Айванхов; born Mikhail Dimitrov Ivanov [Михаил Димитров Иванов]; January 31, 1900 – December 25, 1986) was a Bulgarian philosopher, pedagogue, mystic, and esotericist. A leading 20th-century teacher of Western Esotericism in Europe, he was a disciple of Peter Deunov (Beinsa Douno), the founder of the Universal White Brotherhood.
The Universal White Brotherhood (UWB) is a religious movement founded in Bulgaria in 1897 by Peter Dunov. It was later established in France in 1937 by Omraam Mikhaël Aïvanhov, one of Deunov's followers.
Their teachings are also known as "Dunovism", after the founder. The group proposes a Christian esoterism, characterized by a number of practices, including prayers, meditation, breathing exercises, yoga of nutrition and paneurhythmy. A person can be both a member of the group and of another religion. It has two centers located in Sèvres and Fréjus and 2,000 followers in France. It is present in many countries, including Canada, Switzerland and Belgium.