Joseph Konstan

Joseph Konstan is a Professor at the University of Minnesota and a leading figure in human-computer interaction and recommender systems. He has made significant contributions to ACM through 25+ years of service, including leadership roles in SIGCHI, the Publications Board, and strategic planning initiatives.

• ACM Software System Award (2010) for pioneering collaborative filtering in GroupLens and MovieLens systems
• ACM Fellows (2008) recognition for advancements in human-computer interaction
• Outstanding Contribution to ACM Award (2022) for sustained leadership and governance expertise

His research focuses on automated collaborative filtering, personalization algorithms, and their applications in e-commerce and information systems. The GroupLens project he co-led revolutionized recommendation technology, influencing platforms like Amazon, Netflix, and CDnow, while establishing a multidisciplinary research field spanning machine learning, databases, and social computing.