His research interests include wireless networks, pervasive healthcare, ubiquitous computing, and mobile commerce. Varshney received a PhD in telecommunications and computer networking from the University of Missouri. In addition to authoring more than 160 papers, he has presented at numerous workshops, including keynote addresses at wireless, computing, and information systems conferences. Varshney has received several teaching awards, including the Myron T. Greene Outstanding Teaching Award (2000 and 2004) and the RCB College Distinguished Teaching Award (2002). He is serving or has served as editor or guest editor for major journals including IEEE Access, IEEE Transactions on IT in Biomedicine, Mobile Networks and Applications (MONET), Computer, and Decision Support Systems (DSS).