Started as a traditional social psychologist; shifted focus from disciplines to real-world problems after twelve years in the telecommunications industry.
Broad research interests in the design and social impact of information technologies in personal life, small groups, and organizations.
Current research spans five areas: online communities, everyday Internet use, collaboration in small work groups, technology and conversation, and computers in organizations.
Empirical research identifies challenges in social tasks, informs technology design through collaboration with computer scientists and engineers, and evaluates the effectiveness of new technologies.
As an emeritus professor, no longer teaches courses but actively mentors undergraduate and graduate students.