1909-1922 Thomas E. Lannen1922-1932 Thomas J. Hickey1932-1965 John S. Hall1965-2000 Daniel R. Thompson2000-Present John B. Hallagan
Over 1,700 FEMA GRAS substances have been accepted internationally through the United Nations FAO/WHO Joint Expert Committee on Food Additives (JECFA), an important step toward the global harmonization of flavor ingredients.