Green’s area of expertise is medical anthropology. He received a PhD from Catholic Univ. of America, 1974 in HIV/AIDS research. Green has completed many projects since 1968, in Suriname, Swaziland (Eswatini). Mozambique, Uganda, Nigeria, South Africa, Bangladesh, Dominican Republic, etc. His fieldwork materials are now at the National Anthropological Archives, Smithsonian Inst. Green’s first AAA annual meeting was in 1966.