John M. Carroll is Professor of Computer Science, Education, and Psychology, and Director of the Center for Human-Computer Interaction, at Virginia Tech. He has written more than 250 technical papers, more than 25 conference plenary addresses, and 12 books. He serves on 10 editorial boards for journals and handbooks, has won the Rigo Career Achievement Award from ACM, received the Silver Core Award from IFIP, and is a member of the CHI Academy.