Radu Sion

Radu Sion
Associate Professor

Department of Computer Science
Room 231
Stony Brook, NY 11794-2424

(631) 632-1672
radu [at]


Cyber-Security, Applied Cryptography, Network Security, Systems Security, Systems, Large-Scale and Cloud Computing, Green Computing, and Cost and Energy-Efficiency.


Radu Sion ​is affiliated with the National Security Institute. He is an Associate Professor of Computer Science at Stony Brook University (on leave). He has also founded and is currently running Private Machines Inc. Radu Sion obtained his Ph.D. in Computer Science from Purdue University in 2004, M.S. and B.S. in Computer Science from “Politehnica" University of Bucharest in 1999 and 1998, respectively.


Selection of Radu Sion's projects can be found here.


Radu Sion is a recipient of the National Science Foundation CAREER Award 2009-2014, Stony Brook Nominee for the 2011 New York Academy of Sciences Blavatnik Award, Stony Brook Computer Science Research Excellence Award 2010, Xerox University Affairs Research Award 2008-2011, Nominated for the 2004 ACM Dissertation Award by Purdue University, Recipient of the 2004 CERIAS Diamond Award for Academic Excellence.

Teaching Summary

CSE 408/508, CSE 409/509, CSE 594, CSE 659, CSE 661, CSE 684, CSE 690