 In addition to his teaching at Michigan, he served as a visiting professor at many schools, including the University of California, Berkeley in 1960, the University of Colorado in 1962, and Louisiana State University in 1971.Throughout his career, Griffin was a regular participant at conferences and meetings of numerous professional organizations.His record of attendance was extraordinary at both the Society for American Archaeology meetings (which he helped found in 1934) and the Southeastern Archaeological Conference (which he founded with James A. Ford in 1937).