The Alzheimer's Drug Discovery Foundation (ADDF) is a nonprofit organization founded in 1998 by co-chairmen Leonard A. Lauder and Ronald S. Lauder of the Estée Lauder Companies and led by neuroscientist, Dr. Howard Fillit. The ADDF provides funding to scientists who are conducting innovative and promising Alzheimer's disease research worldwide. By supporting research projects around the world, it seeks to increase the chances of finding treatments for Alzheimer's disease, related dementias, and cognitive aging.