It was then led by Dr. William J. Welch until his death in 1999, after which it was led jointly by Paul Reynard, a painter and teacher of Gurdjieff Movements, and Frank R. Sinclair, author of Without Benefit of Clergy and Of the Life Aligned, until Reynard's death in 2005.
National Science Foundation | Ford Foundation | Rockefeller Foundation | John Simon Guggenheim Memorial Foundation | Electronic Frontier Foundation | Bill & Melinda Gates Foundation | New York Foundation for the Arts | Mozilla Foundation | Guggenheim Foundation | Alexander von Humboldt Foundation | Andrew W. Mellon Foundation | Wikimedia Foundation | Apache Software Foundation | foundation | Make-A-Wish Foundation | John D. and Catherine T. MacArthur Foundation | Clinton Foundation | Open Software Foundation | Konex Foundation | Foundation series | Cystic Fibrosis Foundation | Carnegie Foundation | Solomon R. Guggenheim Foundation | McKnight Foundation | Japan Foundation | Ingram Merrill Foundation | Helms Foundation College Basketball Player of the Year | Free Software Foundation | Calouste Gulbenkian Foundation | British Heart Foundation |
In December 1949, together with Henriette H. Lannes, Jane Heap she initiated the startup of an organization, which would eventually become the Gurdjieff Foundation, to continue the Gurdjieff Work.