 He has been elected to serve as a member of the National Academy of Engineering and is a senior member of the Institute of Electrical and Electronics Engineers.He is a director of Amazon.com.From May 2013 to May 2016, Rubinstein served on the board of directors of semiconductor company Qualcomm Inc.

From March 2016 to March 2017, Rubinstein served as co-CEO of investment firm Bridgewater Associates.