Bachelor of Science in Biology, University Puerto Rico, 1963. Master of Science in Biology, University Puerto Rico, 1965. Doctor of Philosophy in Ecology, University North Carolina, 1969.
Assistant professor department Botany, U. Florida, Gainesville, 1969-1973, 75-76;
associate professor, U. Florida, Gainesville, 1976-1979;
acting director center for wetlands, U. Florida, Gainesville, 1977-1978;
assistant secretary planning and resource analysis, P.R. Department Natural Resources, Puerta de Tierra, 1973-1974;
assistant secretary science and technical, P.R. Department Natural Resources, Puerta de Tierra, 1974-1975;
staff member Council Environmental Quality, Executive Office President, Washington, 1978-1979;
head division center energy and environmental research, U. P.R., 1980-1988;
project leader, International Institute Tropical Forestry, USDA Forest Svc., Rio Piedras, P.R., 1980-1992;
director, International Institute Tropical Forestry, USDA Forest Svc., Rio Piedras, P.R., 1986-1992;
acting director, supervisory research ecologist, International Institute Tropical Forestry, USDA Forest Svc., Rio Piedras, P.R., since 1992;
director, since 1992;
director, International Institute Tropical Forestry, USDA Forest Svc., Washington, since 1994. Consultant Save Our Bays Association, 1970, American Oil Corporation, 1972, Heriot-Watt University Lochner, Inc., 1972, United States Postal Svc., 1972, United States Forest Svc., 1972, unites states department Interior, 1972, 73, 76, 77, United States Environmental Protection Agency, 1974, United States Justice Department, 1974, 78, United Nations Educational, Scientific and Cultural Organization, 1975-1976, 78, 83, 85-86, P.R. Department Natural Resources, 1975, 76, S.W. Florida Regional Planning Council, 1976-1977, Environmental Quality Board, 1976, 77, Florida Department Natural Resources, 1976, Rockefeller Foundation,1976, National Audubon Society, 1977, County of Lee, Florida, 1977, National Wildlife Federation, 1978, World Bank, 1978, Organisation American States, 1979, 80, Collier County Nature Conservancy, 1980. Honorary professor, lecturer U. P.R., 1974-1976, 80-, honorary associate professor, 1985-1986.
With department Environmental Engineering Sciences, Center Latin American Studies U. Florida, Gainesville, 1977, department Botany, 1980-1992. Co-chairman Federal Committee Ecological Reserves, 1977-1979. Member Man and Biosphere directorate 7-B Caribbean Islands, 1978-1979, chairman directorate ITropical Forest Ecosystems, 1980-1989, chairman directorate Tropical Ecosystems, 1990.
Member Endangered Species Scientific Authority, Interagy.Arctic Research Coordinating Committee, Interagy. Tropical Deforestation Task Force, 1978-1979, Tropical Diversity Interagy. Committee, 1985; chairman research committee Latin American Forestry Commission United Nations Educational, Scientific and Cultural Organization, since 1980.
Member of commission on ecology International Union Conservation Nature and Natural Resources, 1980-1986;national research county committee ecological problems associated with development humid tropics, 1980-1982. Executive Committee United States Man and Biosphere program, 1981-1984, national committee 1990. Senior advising committee to President U. P.R., 1982-1988, chairman, 1985-1988.
Scientific advisor Institute Energy Analysis, Oak Ridge, Tennessee, 1982-1984. Active Decade of Tropics International Union Biological Sciences, 1985-1988. Advising committee Yale Tropical Resources Institute, since 1985.
Advisor coastal zone program tropical countries, Rhode Island U., 1985-1988. Review team department forestry, School Forest Resources and Conservation U. Florida, 1989. National research county committee sustainable agriculture and the environment in the humid tropics, 1990-1993.
Member graduate faculty department Environmental, Population and Organismic Biology, U. Colorado, Boulder, 1990-1991. Appointed Consejo Consultivodel Programa de Patrimonio Nacional, 1990-1992. Expert witness in field.
Trustee Florida Defenders of Environment, 1980-1981. Research associate Islands Resources Foundation, United States Virgin Islands, since 1980. Board overseers Harvard College, committee to visit department Organismic and Evolutionary Biology, since 1989.
Board governors Society Conservation Biology, 1989-1991. Board directors Puerto Rico Conservation Foundation, since 1990, Member American Association for the Advancement of Science (council Caribbean division 1991-1992), Ecology Society of America, International Society Tropical Foresters (executive committee 1990-1993), Society Ecological Restoration and Management (founding 1988, board directors 1992), International Society Tropical Ecology (board bearers 1990-1993), International Association Ecology, Florida Academy Scis, Society Caribbean Ornithology, Puerto Rico Academy Arts and Sciences, Sigma Xi, Beta Beta Beta (honorary Zeta Zeta chapter).
Married Helen Nunci; 2 children.