Professor (8/2019 - present). Beijing National Research Center for Information Science and Technology, Tsinghua University, P.R. China.

Vice Dean (2/2016 - 10/2021). Research Institute of Information Technology, Tsinghua University, P.R. China.

Director (12/2011 - 11/2017). Open Platform and Technology Division, Tsinghua National Laboratory for Information Science and Technology.

Visiting Scientist (12/2010 - 11/2011). LIGO Laboratory, Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology.

Deputy Director (7/2010 - 2/2016). Executive Committee, Research Institute of Information Technology, Tsinghua University, P.R. China.

Adjunct Professor (11/2009 - 2/2016). Center for Astrophysics, Tsinghua University, P.R. China.

Assistant Dean (4/2007 - 7/2010). Research Institute of Information Technology, Tsinghua University, P.R. China.

Research Affiliate (3/2007 - 11/2010). LIGO Laboratory, Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology.

Professor (12/2006 - 7/2019). Research Institute of Information Technology, Tsinghua University, P.R. China.

Research Scientist (7/2004 - 12/2006). LIGO Laboratory, Center for Space Research, Massachusetts Institute of Technology. With Prof. Erik Katsavounidis. Worked on: The LIGO Grid.

Research Scientist (10/2002 - 7/2004). C&C Research Laboratories, NEC Europe Ltd., Germany. With Dr. Guy Lonsdale. Worked on: Grid-enabled Medical Simulation Applications.

Research Fellow (10/2001 - 9/2002). High Performance Systems Group, Department of Computer Science, University of Warwick, UK. With Prof. Graham R. Nudd and Dr. Stephen A. Jarvis. Research area: Use of Performance Prediction Techniques for Grid Management.

Research Student (1/1999 - 9/2001). High Performance Systems Group, Department of Computer Science, University of Warwick, UK. Supervised by Prof. Graham R. Nudd and Dr. Darren J. Kerbyson. PhD thesis: Agent-based Resource Management for Grid Computing.

Postgraduate Student (9/1996 - 12/1998). National CIMS (Computer Integrated Manufacturing Systems) Engineering and Research Center, Tsinghua University, P.R. China. With Prof. Cheng Wu and Prof. Yushun Fan. MSc thesis: Flexible Software Systems.

Undergraduate Student (9/1991 - 7/1996). Department of Automation, Tsinghua University, P.R. China. BSc thesis: BMCST-MIS Acknowledge Subsystem Analysis and Design.