The International Institute of Tropical Forestry () is a program of the United States Forest Service that was founded in 1939. It is headquartered in Rio Piedras, Puerto Rico, on the grounds of the University of Puerto Rico's Agricultural Experimental Station. May 20, 2014 marked the Institute's 75th anniversary. Background Dr. Ariel E. Lugo has been the director since 1979. Hurricane Irma and Maria severely disrupted the Institute's work. Its headquarters building was designed by architect W. Ellis Groben. Gallery See also Frank H. Wadsworth References United States Forest Service Forestry in the United States Forestry in Puerto Rico