David Ribes is associate professor in the Department of Human Centered Design and Engineering (HCDE). He is a sociologist of science and technology who focuses on the development and sustainability of research infrastructures (i.e., networked information technologies for the support of interdisciplinary science); their relation to long-term changes in the conduct of science; and, epistemic transformations in objects of research. David has a degree in Sociology, and is regular contributor to the fields of Science and Technology Studies (STS), and Computer Supported Cooperative Work (CSCW). His methods are ethnographic, archival-historical and comparative. See davidribes.com for more.