Anthony Fauci first joined NIAID in 1968 as a clinical associate in the Laboratory of Clinical Investigation. In 1974 he became head of the laboratory's clinical physiology section. Six years later he was named head of the Laboratory of Immunoregulation. When Fauci was offered the directorship of NIAID in 1984, he accepted, under the condition that he continue in his role as head of the Laboratory of Immunoregulation.