He is also a core member of the DUB Group, the University of Washington's cross-campus initiative advancing Human-Computer Interaction and Design research and education. His broad research interests are in Human-Computer Interaction, User Interface Software and Technology, and Ubiquitous Computing. His focus is on new methods and tools for building interactive software, including the challenges of developing, deploying, and evaluating intelligent technologies. He is co-chairing the CHI 2012 subcommittee for "Expanding Interaction through Technology, Systems & Tools", and he has received Best Paper awards or nominations at CHI 2010, UbiComp 2009, CHI 2009, and CHI 2005. His research has been generously supported by the National Science Foundation, FXPAL, Google, Intel, and Microsoft.