q August 2011 ~ present
- Institute for Infocomm Research, Agency for Science, Technology and Research, SINGAPORE
- Scientist on Cryptology and Information Security
q July 2010 ~ July 2011
- Department of Computer Science, École Normale Supérieure, FRANCE
- Postdoctoral Researcher on the French ANR project SAPHIR II: Security and analysis of innovating and recent hashing primitives
q June 2008 ~ June 2010
- Department of Mathematics and Computer Science, Eindhoven University of Technology, The NETHERLANDS
- Postdoctoral Researcher on the Dutch Sentinels project PINPASJC: Program Inferred Power Analysis in Software -- JavaCard
q January 2005 ~ September 2005
- The Beijing R&D Institute, Huawei Technologies, Co. LTD., CHINA
- Visual C++ Software Engineer on Network Security Products (Virus Detection in Secure Immune Gateways)
q June 2004 ~ January 2005
- ONETS Wireless&Internet Security Tech. Co. LTD., CHINA
-
Visual C++ Software Engineer on Network Security Products (Secure Virtual Networks, Power Analysis in smartcards)
q September 2003 ~ February 2004
- Department of Engineering, Information and Communication University, SOUTH KOREA
- Research Assistant on Information Security
q April 2003 ~ September 2003
- The Intellectual Property Office, Department of Science and Technology of Shandong Province, CHINA
- Government Officer