Barney Warf is professor of geography at the University of Kansas. His research and teaching interests lie within the broad domain of human geography. He has studied a range of topics, such as producer services, the internet, fiber optics, offshore banking, military spending, political geography, and corruption. He has authored, co-authored, or co-edited ten books, three encyclopedias, 50 book chapters and more than 110 refereed journal articles. Currently, he serves as editor of The Professional Geographer, co-editor of Growth and Change, and editor-in-chief for geography for Oxford Bibliographies On-Line.