Jeffrey Sonstein (born 1 November 1949 in Dayton Ohio) is a tenured Associate Professor in the Information Sciences and Technologies Department at Rochester Institute of Technology. He is RIT's representative to the World Wide Web Consortium, and a Member of both the W3C Mobile Web Best Practices Working Group (mwbp) and the Mobile Web for Social Development Interest Group (mw4d). Professor Sonstein is also founding Director of the Center for the Handheld Web, housed in the Information Sciences and Technologies Department at Rochester Institute of Technology.