Complex sentence: According to the University of Maryland, Bertot served as editor of Government Information Quarterly from 2000-2015, and as co-editor/editor of The Library Quarterly from 2002-2014.
Split into simpler sentences: According to the University of Maryland, Bertot served as editor of Government Information Quarterly from 2000-2015. He served as co-editor/editor of The Library Quarterly from 2002-2014.