He was also a visiting professor at the MIT Media Laboratory, in the Tangible Media Group, and continues collaboration with that group. Before coming to Tufts, he was in the Human-Computer Interaction Lab at the Naval Research Laboratory. He received his Ph.D. from Johns Hopkins University, and he is currently Vice-Chair of ACM SIGCHI and a member of the editorial board of ACM Transactions on Computer-Human Interaction and was Papers Co-Chair of the CHI 2001 conference.See other events that are part of HCI Seminar Series Spring 2003See other events happening in February 2003