Marciana is a lecturer in the Department of History and Political Studies at the Kwame Nkrumah University of Science and Technology. She teaches some aspects of regional history, which include West Africa (1800-1965), North Africa (1800-1965), USA (1700-1953) and Russia (1700-1953), and History of Christianity in Ghana at the undergraduate level. She teaches  Historiography, Migration and Ethnic Relations in Ghana at the postgraduate level.