Mung Chiang, a noted researcher in communications networks who also is an entrepreneur and a leader in online education, has been appointed director of Princeton University's Keller Center, effective March 31. 
 
Chiang, the Arthur LeGrand Doty Professor of Electrical Engineering, succeeds Sanjeev Kulkarni, an electrical engineering professor who has been named dean of the Graduate School after leading the Keller Center for three years. 
 
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