Richard Dicker Chair Professor (since 2011), started as Assistant Professor (1993), Department of Electrical Engineering, Columbia University.
Professor, Department of Computer Science, 2011-date, Columbia University.
Director, ADVENT University-Industry Research Consortium, Columbia University, 2000-03.
Editor in Chief, Signal Processing Magazine, IEEE Signal Processing Society, 2006-08.
Chair, Department of Electrical Engineering, Columbia University, 2007-10.
Chair, Advisory Board, Center for Information Technology Innovation (CITI), Academia Sinica, 2017-date.
Advisory Board Member, Institute of Information Industry (III) (2006-date), Institute of Information Science, Academia Sinica (2009-date), and ITRI Taiwan (2016-date).
Scientific Advisor, VidRovr LLC and AxonImage LLC, 2016-date.
Chair, ACM Special Interest Group on Multimedia, 2013-17.
Senior (Executive) Vice Dean, School of Engineering and Applied Science, Columbia University, 2012-date.