General co-chair. 1st IEEE Int. Conf. on Energy Internet (ICEI 2017), Beijing, China (4/2017).

Technical program committee member. 2016 IEEE Int. Conf. on Cloud and Autonomic Computing (ICCAC 2016), Augsburg, Germany (9/2016).

Tutorial/Panel chair. 2nd IEEE Int. Conf. on Big Data Intelligence and Computing (DataCom 2016), Auckland, New Zealand (8/2016).

Technical committee member. 5th IEEE Int. Conf. on Mobile Services (MS 2016), San Francisco, USA (6/2016).

Technical program committee member. 3rd MEC Int. Conf. on Big Data and Smart City (ICBDSC 2016), Muscat, Oman (3/2016).

Program committee member. 2015 IEEE Int. Conf. on Data Science and Data Intensive Systems (DSDIS 2015), Sydney, Australia (12/2015); DSS 2016, Sydney, Australia (12/2016).

Program committee member. 14th IEEE Int. Conf. on Ubiquitous Computing and Communications (IUCC 2015), Liverpool, England, UK (10/2015); IUCC 2016, Granada, Spain (12/2016).

Program committee member. 2015 Int. Conf. on Cloud Computing and Big Data (CloudCom-Asia 2015), Huangshan, China (6/2015); CloudCom-Asia 2016, Hongkong, China (6/2016).

General co-chair. 12th Int. Conf. on Frontiers of Information Technology (FIT 2014), Islamabad, Pakistan (12/2014); FIT 2015, Islamabad, Pakistan (12/2015).

Program committee member. 4th IEEE Int. Conf. on Big Data and Cloud Computing (BDCloud 2014), Sydney, Australia (12/2014).

Program committee member. 2nd ACM Cloud and Autonomic Computing Conf. (CAC 2014), London, UK (9/2014); CAC 2015, Cambridge, MA, USA (9/2015).

Technical program committee member. 1st Int. Conf. on Internet of Vehicles (IOV 2014), Beijing, China (8/2014).

Program committee member. Int. Conf. on Computational Science (ICCS 2014), Cairns, Australia (6/2014); ICCS 2015, Reykjav¨ªk, Iceland (6/2015); ICCS 2016, San Diego, CA, USA (6/2016); ICCS 2017, Zurich, Switzerland (6/2017).

Technical program committee member. Int. Conf. on Connected Vehicles & Expo (ICCVE 2013), Las Vegas, USA (12/2013); ICCVE 2014, Vienna, Austria (11/2014).

Keynote speaker. Energy Internet, Int. Conf. on Cloud Computing and Big Data (CloudCom-Asia 2013), Fuzhou, China (12/2013).

Program committee member. Student Research Symposium, IEEE Int. Conf. on High Performance Computing (HiPC 2013), Bangalore, India (12/2013).

Technical program committee member. Track of Computing, Int. Conf. on Mathematics and Computing (ICMC 2013), Haldia, India (12/2013).

Program committee member. Requirements Engineering for Cloud Computing (RECC 2013), conj. 5th IEEE Int. Conf. on Cloud Computing Technology and Science (CloudCom 2013), Bristol, UK (12/2013).

Program committee member. Social Clouds: Cloud Computing through Social Networks (SocialCloud 2013), conj. 5th IEEE Int. Conf. on Cloud Computing Technology and Science (CloudCom 2013), Bristol, UK (12/2013).

Keynote speaker. Organizing and Operating Large-scale Scientific Collaboration from a Perspective of Social Networks, 3rd Int. Workshop on Analyzing and Improving Collaborative eScience with Social Networks (eSoN 2013), conj. 9th IEEE Int. Conf. on eScience (eScience 2013), Beijing, China (10/2013).
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Invited speaker. Energy Router - Key Technologies, 28th Forum on Frontiers of Science & Technology (FFST) - Renewable Energy Internet, Academic Divisions of the Chinese Academy of Sciences, Beijing, China (9/2013).
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Technical program committee member. IEEE Int. Conf. on Smart Grid Communications (SmartGridComm 2013), Vancouver, British Columbia, Canada (10/2013).

Technical program committee member. Track on Network Algorithms and Performance Evaluation (NAPE), 22nd Int. Conf. on Computer Communications and Networks (ICCCN 2013), Nassau, Bahamas (7/2013).

Technical program committee member. 7th IEEE Int. Systems Conf. (SysCon 2013), Orlando, FL, USA (4/2013).

Associate editor. IEEE Trans. Cloud Computing, IEEE Computer Society (1/2013 - present).

Program committee member. 3rd Int. Conf. on Advances in Computing, Communication & Control (ICAC3 2013), Mumbai, India (1/2013); ICAC3 2015, Mumbai, India (1/2015).

General co-chair. 1st Int. Workshop on Cloud Computing for Internet of Things (IoTCloud 2012), conj. 4th IEEE Int. Conf. on Cloud Computing Technology and Science (CloudCom 2012), Taipei, Taiwan, China (12/2012); IoTCloud 2013, Fuzhou, China (12/2013).

Program committee member. 3rd Int. Workshop on Cyber Physical Society (IWCPS 2012), Guangzhou, China (12/2012).

Program committee member. 2nd Int. Workshop on Analyzing and Improving Collaborative eScience with Social Networks, (eSoN 2012), conj. 8th IEEE Int. Conf. on eScience (eScience 2012), Chicago, USA (10/2012); eSoN 2013, Beijing, China (10/2013); eSoN 2014, Guaruj¨¢, Sao Paulo, Brazil (10/2014).

Poster chair. IEEE Int. Conf. on Cluster Computing (Cluster 2012), Beijing, China (9/2012); Publicity chair. Cluster 2014, Madrid, Spain (9/2014).

Program committee member. Int. Workshop on Technologies and Applications for Cyber Physical Systems (TACPS 2012), Gwangju, Korea (9/2012).

Technical program committee member. 8th Int. Conf. on Wireless Communications, Networking and Mobile Computing (WiCOM 2012), Shanghai, China (9/2012).

Program committee member. 36th Annual IEEE Computer Software and Applications Conf. (COMPSAC 2012), Izmir, Turkey (7/2012).

Program committee member. 14th IEEE Int. Conf. on High Performance Computing and Communications (HPCC 2012), Liverpool, UK (6/2012).

Program committee member. 21st Int. Conf. on Collaboration Technologies and Infrastructures (WETICE 2012), Toulouse, France (6/2012).

Program committee member. 1st Int. Workshop on Software Engineering Challenges for the Smart Grid, conj. 34th Int. Conf. on Software Engineering (SE4SG 2012), Zurich, Switzerland (6/2012); SE4SG 2013, San Francisco, CA, USA (5/2013).

Invited speaker. Smart Grid from an IT Perspective, 7th FTTH Council Asia-Pacific Annual Conf., Shanghai, China (5/2012).

Program committee member. 7th Int. Conf. on Grid and Pervasive Computing (GPC 2012), Hong Kong, China (5/2012).

Program committee member. 26th IEEE Int. Parallel & Distributed Processing Symp. (IPDPS 2012), Shanghai, China (5/2012).

Technical program committee member. 18th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS 2012), Beijing, China (4/2012).

Invited speaker. IoT-based Wide-area Power System Stability Control, IVA-CAE Workshop on Smart Grid, Stockholm, Sweden (12/2011).
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Invited speaker. Smart Grid from an IT Perspective, 10th Tsinghua-Hitachi Forum, Beijing, China (12/2011).

Technical program committee member. IEEE Int. Conf. on Networks (ICON 2011), Singapore (12/2011); ICON 2012, Singapore (12/2012).

Program committee member. Int. Conf. on Cloud and Green Computing (CGC 2011), Melbourne, Australia (12/2011); CGC 2012, Xiangtan, China (11/2012); CGC 2013, Karlsruhe, Germany (9/2013).

Sponsorship chair. 9th ACM Conf. on Embedded Networked Sensor Systems (SenSys 2011), Seattle, USA (11/2011).

Invited speaker. A Multiple Signal Classification Method for Directional Gravitational-wave Burst Search, 3rd Galileo-Xu Guangqi Meeting, Beijing, China (10/2011).
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Program committee member. Int. Conf. on Secuirity Aspects in Information Technology, High-Performance Computing and Networking (InfoSecHiComNet 2011), Haldia, India (9/2011).

Invited speaker. Real-time Gravitational Wave Search, 403rd Xiangshan Science Conferences, Beijing, China (8/2011).
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Program committee member. 23rd Int. Conf. on Software Engineering and Knowledge Engineering (SEKE 2011), Miami, FL, USA (7/2011).

Program committee member. 1st IEEE/ACM Workshop on the application of Social Networking concepts to Cluster, Cloud, Grid and Services Computing (SN4CCGridS 2011), Newport Beach, CA, USA (5/2011).

Program committee co-chair. 1st Int. Conf. on Networking and Distributed Computing (ICNDC 2010), Hangzhou, China (10/2010); General co-chair. ICNDC 2011, Beijing, China (9/2011); ICNDC 2012, Hangzhou, China (10/2012); ICNDC 2013, Hongkong, China (12/2013).

Topic committee member. Performance Prediction and Evaluation, 16th Int. Euro-Par Conf. on Parallel Processing (Euro-Par 2010), Ischia-Naples, Italy (8/2010).

Editorial advisory board member. Handbook of Research on P2P and Grid Systems for Service-Oriented Computing: Models, Methodologies and Applications, IGI Global (1/2010).

Invited speaker. Multivariate Veto Analysis for Real-time Gravitational Wave Burst Search, 1st Galileo-Xu Guangqi Meeting, Shanghai, China (10/2009).
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Editorial board member. Journal of Computational Science, Elsevier Science Publishers (8/2009 - 9/2015).

Program committee member. 2009 IEEE Int. Conf. on Scalable Computing and Communications (ScalCom 2009), Dalian, China (9/2009); ScalCom 2010, Bradford, UK (6/2010); ScalCom 2011, Pafos, Cyprus (8/2011).

Program committee member. 7th IEEE/IFIP Int. Conf. on Embedded and Ubiquitous Computing (EUC 2009), Vancouver, Canada (8/2009); EUC 2012, Paphos, Cyprus (10/2012); EUC 2013, Zhangjiajie, China (11/2013).

Program committee member. 1st Int. Workshop on Semantic P2P Networks (SP2PN 2009), Beijing, China (7/2009).

Program committee member. 1st IEEE Int. Workshop on Service-Oriented P2P Networks and Grid Systems (ServP2P 2009), Shanghai, China (5/2009).

Program committee member. China-US Symp. on Cyberinfrastructure (CUSCI 2009), Tsinghua University, Beijing, China (4/2009).

Invited speaker. Computing Infrastructure for Gravitational Wave Data Analysis, 3rd China-US Roundtable on Scientific Data Cooperation, Qingdao, China (3/2009).
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Program committee member. 2009 Int. Conf. on Communications and Mobile Computing (CMC 2009), Kunming, China (1/2009); CMC 2010, Shenzhen, China (4/2010); Computing Symp. vice-chair. CMC 2012, Guilin, China (5/2012).

Invited speaker. Real-time Gravitational Wave Data Analysis, 332nd Xiangshan Science Conferences, Beijing, China (10/2008).

Program committee member. 2008 IEEE Int. Workshop on Advances of Distributed Information Processing (ADIP 2008), Dalian, China (9/2008).

Program committee member. 2008 IEEE Int. Conf. on Networking, Architecture, and Storage (NAS 2008), Chongqing, China (6/2008); NAS 2009, Zhang Jia Jie, China (7/2009); NAS 2010, Macau, China (7/2010); NAS 2011, Dalian, China (7/2011); NAS 2012, Xiamen, China (6/2012); NAS 2013, Xi'an, China (7/2013); NAS 2014, Tianjin, China (8/2014).

Steering committee member. 2008 Performance for Peers Workshop (P4P2P 2008), University of Warwick, UK (5/2008).

Program committee member. 6th IEEE Int. Symp. on Parallel and Distributed Processing and Applications (PDPA 2008), Sydney, Australia (12/2008).

Program committee member. 22nd IEEE Int. Conf. on Advanced Information Networking and Applications (AINA 2008), GinoWan, Okinawa, Japan (3/2008); AINA 2009, Bradford, UK (5/2009); AINA 2011, Biopolis, Singapore (3/2011)

Member. China Computer Federation (1/2007 - present); CCF YOCSEF committee (1/2009 - present).

Speaker. The LIGO Scientific Collaboration Data Grid Client/Server Environment, GridWorld 2006, Washington D.C., USA (9/2006).
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Program committee member. 35th Int. Conf. on Parallel Processing (ICPP 2006), Columbus, Ohio, USA (8/2006); ICPP 2007), Xi'an, China (9/2007).

Program committee member. Int. Workshop on Web-based Internet Computing for Science and Engineering (WICSE 2006), conj. 8th Asia Pacific Web Conf. (APWeb 2006), Harbin, China (1/2006).

Program committee member. 1st Int. Workshop on Grid Performability (GridPerf 2005), conj. 5th IEEE/ACM Int. Symp. on Cluster Computing and the Grid (CCGrid 2005), Cardiff, UK (5/2005).

Member. LIGO Scientific Collaboration (7/2004 - present); LIGO Scientific Collaboration data analysis software committee (8/2006 - 7/2008); LIGO Scientific Collaboration council (8/2010 - present).

Proposal evaluator. Strategic Objective: Open Development Platforms for Software and Services, EC/IST 6th Framework Programme, Brussels, Belgium (11/2003); Strategic Objective: International Co-operation on Grid Technologies - Target Country: China, EC/IST 6th Framework Programme, Brussels, Belgium (5/2006).

Invited speaker. Advance Reservations of Grid Resources for GEMSS Applications, Grid Resource Management Workshop, Poznan Supercomputing and Networking Center, Poznan, Poland (10/2003).
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Invited talk. Grid Task Scheduling and Load Balancing, Internet Systems Research Laboratories, NEC Corporation, Tokyo, Japan (5/2003).

Invited talk. Use of Workflow Techniques for Grid Management, Internet Solution Platform Development Division, NEC Corporation, Tokyo, Japan (5/2003).
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Invited speaker. Agent-Based Grid Load-Balancing , 1st Workshop on High Performance, Fault Adaptive Large Scale Real-Time Systems, Vanderbilt University, Nashville, Tennessee, USA (11/2002).
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Invited talk. Agent-based Grid Load Balancing Using Performance-driven Task Scheduling, NEC Europe Ltd., London, UK (6/2002).

Invited talk. Use of Performance Prediction Techniques for Grid Management, Department of Biomedical Informatics, Ohio State University, Columbus, Ohio, USA (4/2002).
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Journal reviewer. Scientific Programming; Int. J. Software Engineering and Knowledge Engineering; J. Parallel and Distributed Computing; J. Systems and Software; Future Generation Computer Systems; J. Grid Computing; Int. J. Computer Integrated Manufacturing; Int. J. Parallel, Emergent and Distributed Systems; Simulation Modelling Practice and Theory; Information Sciences; Applied Soft Computing; Multiagent and Grid Systems; Advances in Computer Science and Engineering; IEEE Systems Journal; J. Zhejiang University - SCIENCE A; J. Tsinghua University (in Chinese); IEEE Trans. Automation Science and Engineering; Peer-to-Peer Networking and Applications; IEEE Trans. Fuzzy Systems; Cluster Computing; Int. J. Modeling, Simulation and Scientific Computing; Mobile Information Systems; J. Network and Systems Management; Computer Integrated Manufacturing Systems (in Chinese); J. Computers; ACM Trans. Embedded Computing Systems; Int. J. Grid and Utility Computing; Scientia Iranica; European J. Operational Research; IEEE Trans. Cloud Computing; China Communications; Asia J. Control; IEEE/ACM Trans. Networking; J. Modern Power Systems and Clean Energy; Automation of Electrical Power Systems (in Chinese); Proceedings of CSEE (in Chinese); Power System Technology (in Chinese) (5/2001 - present).

Member. Computer Society, IEEE (1/1999 - 12/2004); Senior member. Computer Society, IEEE (1/2005 - present).

Member. ACM (4/1999 - present).