In 1999, he became the first holder of 3Com Founders chair at MIT. In 2008 he was named 3COM Founders Professor of Engineering in the School of Engineering, with a joint appointment in the Department of Electrical Engineering and Computer Science at CSAIL where he also leads the Decentralized Information Group (DIG). Co-Chaired by Dr. Lalana Kagal, the DIG Research Group works on projects including: how to re-decentralize the Web and help radically change the way Web applications work today, resulting in true data ownership; working to ensure the rights of users in big data and analytics and systems; as well as harnessing mobile technologies to aid during disaster relief and help society. In 2016, Sir Tim joined the Computer Science Department at the University of Oxford as a professor.