He has lectured worldwide in countries such as Jamaica, China, Cuba, Canada, Japan, Liberia, Taiwan, and across the US. He has lectured in institutions such as the San Francisco Art Institute, Metropolitan Museum of Art; Getty Museum; Art Institute of Chicago; the Smithsonian Institution; the College Art Association of America; the Modern Language Association of America; the Cooper Union Institute; the Crocker Museum; the Cincinnati Museum of Art; the Massachusetts College of Art; the California Institute of Art; the Baltimore Institute of Art; the Maryland Institute College of Art; the University of the West Indies, Jamaica; and the University of Liberia. Morrison gave the 50th Anniversary address for the Edna Manley School of Art, Jamaica, 2001. He gave keynote addresses at UC Berkeley; the San Francisco Art Institute; the Brandywine Workshop; the DuSable Museum; the National Museum of American History; and the Ludwig Foundation of Havana, Cuba.