Marco Rigamonti, is an Italian writer, essayist, novelist and esotericist, born in Treviso, Italy on December 27, 1977. He is the current Grand Master of the controversial organization known as the Priory of Sion since 2016. Given leadership by Gino Sandri, the protégé of Pierre Plantard, Rigamonti is the leader of the latest incarnation of the known hoax created by Plantard in the 1950s.He is also known to be a member of a Knights Templar group known as OSMTH/SMOTJ.