Sept. 1997-present Director, James. M. Cox Jr. Center for International Mass Communication Training and Research, and Professor, Department of Journalism, Henry W. Grady College of Journalism and Mass Communication, University of Georgia June 2012 Guest Professor, Institute for Journalism and Communication Research, Hochschule für Musik Theater und Medien, Hannover, Germany June 1999 & 2000 Guest Professor, Università della Svizzera italiana, Lugano, Switzerland July 1994-June 1996 Interim Director, School of Journalism, The Ohio State University Aug. 1991-July 1992 Guest Professor and Fulbright Research Scholar Institut für Journalistik und Kommunikationsforschung, Hochschule für Musik und Theater Hannover, Federal Republic of Germany June 1986-Aug.1986 Guest Professor, Ergänzungsstudiengang Journalistik, Hochschule für Musik und Theater Hannover, Federal Republic of Germany March 1986-June 1986 Visiting Professor, Faculteit der Sociale Wetenschappen, Instituut voor Massacommunicatie, Katholieke Universiteit, Nijmegen, The Netherlands Sept. 1983-Sept. 1997 Professor, School of Journalism and Department of Communication, The Ohio State University Sept. 1977-Aug. 1983 Associate Professor, School of Journalism and Department of Communication, The Ohio State University March 1981-July 1981 Fulbright Research Scholar, Institut für Publizistikund Kommunikationswissenschaft, Universität Göttingen Sept. 1974-Aug. 1977 Assistant Professor, S.I. Newhouse School of Public Communications, Syracuse University