Conferences/Workshops:

1. Program Committee Member, International Conference on Software Engineering (ICSE 2011)
2. Publication Co-Chair, International Conference on Software Engineering (ICSE 2011)

1. Program Committee Member, International Conference on Software Engineering (ICSE 2010)
2. Program Committee Member, ACM Student Research Competition, International Conference on Software Engineering (ICSE 2010)
3. Program Committee Member, IEEE International Conference on Software Maintenance (ICSM 2010)
4. Program Committee Member, International Working Conference on Mining Software Repositories (MSR 2010)
5. Co-Organizer (with Mark Harman, Henry Muccini, and Wolfram Schulte), Dagstuhl Seminar on Practical Software Testing: Tool Automation and Human Factors (Dagstuhl Seminar 10111)

1. Program Committee Member, International Workshop on Recommendation Systems for Software Engineering (RSSE 2010)
2. Program Committee Member, International Workshop on Software Test Automation, Practice, and Standardization 2010 
3. Program Committee Member, International Research Workshop on Advances and Innovations in Software Testing (STEP 2010)

1. Program Committee Co-Chair, IEEE International Conference on Software Maintenance (ICSM 2009)
2. Program Committee Member, International Symposium on Software Testing and Analysis (ISSTA 2009)
3. Expert-Review Panel Member, IEEE/ACM International Conference on Automated Software Engineering (ASE 2009)
4. Program Committee Member, International World Wide Web Conference (WWW 2009), Security and Privacy Track
5. Program Committee Member, IEEE International Conference on Software Testing, Verification and Validation (ICST 2009)
6. Program Committee Member, International Working Conference on Mining Software Repositories (MSR 2009)
7. Program Committee Member, Haifa Verification Conference (HVC 2009)
8. Program Committee Member, International Symposium on Search Based Software Engineering (SSBSE 2009)
9. Program Committee Member, Asia-Pacific Symposium on Internetware (Internetware 2009)
10. Tutorial Co-Chair, IEEE/ACM International Conference on Automated Software Engineering (ASE 2009)
11. North American Publicity Chair, IEEE International Conference on Software Testing, Verification and Validation (ICST 2009)

    2009 Workshops:

1. Co-Organizer, International Workshop on Web Testing (WebTest 2009) co-located with ICST 2009
2. Co-Organizer, Workshop on State-Space Exploration for Automated Testing (SSEAT 2009) co-located with ISSTA 2009
3. Co-Organizer, State of the Art in Testing and Analysis Day co-located with the PC meeting for ISSTA 2009
4. Program Committee Member, International Workshop on Parallel and Distributed Systems: Testing, Analysis, and Debugging (PADTAD 2009) co-located with ISSTA 2009

1. Program Committee Member, IEEE/ACM International Conference on Automated Software Engineering (ASE 2008)
2. Program Committee Member, Doctoral Symposium, IEEE/ACM International Conference on Automated Software Engineering (ASE 2008)
3. Program Committee Member, International Symposium on Software Testing and Analysis (ISSTA 2008)
4. Program Committee Member, IEEE International Conference on Software Maintenance (ICSM 2008)
5. Program Committee Member, IEEE International Conference on Software Testing, Verification and Validation (ICST 2008)
6. Student Papers Track Program Co-Chair (with Henry Muccini), IEEE International Conference on Software Testing, Verification and Validation (ICST 2008)
7. Program Committee Member, IEEE International Conference on Web Services (ICWS 2008)
8. Program Committee Member, Workshops, ACM SIGSOFT International Symposium on Foundations of Software Engineering (FSE 2008)
9. Program Committee Member, Haifa Verification Conference (HVC 2008)

1. Program Committee Member, International Workshop on Recommendation Systems for Software Engineering (RSSE 2008) co-located with FSE 2008
2. Program Committee Member, Workshop on Automation of Software Test (AST 2008) co-located with ICSE 2008
3. Program Committee Member, IEEE International Workshop on Security in Software Engineering (IWSSE 2008) co-located with COMPSAC 2008
4. Program Committee Member, International Workshop on Parallel and Distributed Systems: Testing, Analysis, and Debugging (PADTAD 2008) co-located with ISSTA 2008
5. Program Committee Member, International Workshop on Security Testing (SECTEST 2008) co-located with ICST 2008
6. Program Committee Member, International Research Workshop on Advances and Innovations in Systems Testing (STEP 2008)
7. Program Co-Chair/Co-Organizer (with Tevfik Bultan), Workshop on Testing, Analysis and Verification of Web Software (TAV-WEB 08) co-located with ISSTA 2008

    2007 Conferences:

1. Expert-Review Panel Member, IEEE/ACM International Conference on Automated Software Engineering (ASE 2007)
2. Program Committee Member, International Conference on Aspect-Oriented Software Development (AOSD 2007)
3. Program Committee Member, IEEE International Conference on Software Maintenance (ICSM 2007)
4. Program Committee Member, International Conference on Tests And Proofs (TAP 2007)
5. Program Committee Member, Haifa Verification Conference (HVC 2007)
6. Program Committee Member, Hawaii International Conference on System Sciences (HICSS 2007), Software Technology Track, Testing and Analysis MiniTrack.
7. Program Committee Member, Short Papers, International Symposium on Empirical Software Engineering and Measurement (ESEM 2007)
8. Co-Organizer (with Abraham Bernstein, Harald Gall, and Andreas Zeller), Dagstuhl Seminar on Mining Programs and Processes (Dagstuhl Seminar 07491)
9. Session Chair, IEEE/ACM International Conference on Automated Software Engineering (ASE 2007)

    2007 Workshops:

1. Program Committee Member, Eclipse Technology eXchange Workshop (ETX 2007) co-located with OOPSLA 2007
2. Program Committee Member, Workshop on Specification and Verification of Component-Based Systems (SAVCBS 2007) co-located with ESEC/FSE 2007
3. Program Committee Member, Workshop on Mutation Analysis (Mutation 2007) co-located with TAIC PART 2007
4. Program Committee Member, Workshop on Web Quality, Verification and Validation (WQVV 2007) co-located with ICWE 2007
5. Program Committee Member, International Workshop on Dynamic Analysis (WODA 2007) co-located with ICSE 2007
6. Program Committee Member, Workshop on Automation of Software Test (AST 2007) co-located with ICSE 2007
7. Program Committee Member, International Workshop on Parallel and Distributed Systems: Testing and Debugging (PADTAD 2007) co-located with ISSTA 2007
8. Program Committee Member, Workshop on Testing of Aspect-Oriented Programs (WTAOP 2007) co-located with AOSD 2007
9. Program Committee Member, IEEE International Workshop on Testing for Emerging Software Technology (TEST 2007) co-located with COMPSAC 2007
10. Session Chair, Workshop on Automation of Software Test (AST 2007) co-located with ICSE 2007
11. Session Chair, ARO Planning Workshop on Embedded Systems and Network Security (ESNS 2007)

    2006 Conferences:

1. Program Committee Member, IEEE/ACM International Conference on Automated Software Engineering (ASE 2006)
2. Program Committee Member, Doctoral Symposium, IEEE/ACM International Conference on Automated Software Engineering (ASE 2006)
3. Program Committee Member, IEEE International Symposium on Software Reliability Engineering (ISSRE 2006)
4. Program Committee Member, Fast Abstracts, IEEE International Symposium on Software Reliability Engineering (ISSRE 2006)
5. Program Committee Member, Haifa Verification Conference (HVC 2006)
6. Program Committee Member, International Conference on Quality Software (QSIC 2006)
7. Session Chair, IEEE International Symposium on Software Reliability Engineering (ISSRE 2006)
8. Publicity Co-Chair, IEEE International Symposium on Software Reliability Engineering (ISSRE 2006)

    2006 Workshops:

1. Program Committee Member, Workshop on Specification and Verification of Component-Based Systems (SAVCBS 2006) co-located with FSE 2006
2. Program Committee Member, Workshop on Supporting Knowledge Collaboration in Software Development (KCSD 2006) co-located with ASE 2006
3. Program Committee Member, International Workshop on Parallel and Distributed Systems: Testing and Debugging (PADTAD 2006) co-located with ISSTA 2006 
4. Program Committee Member, Workshop on Testing, Analysis and Verification of Web Services and Applications (TAV-WEB 2006) co-located with ISSTA 2006 
5. Program Committee Member, International Workshop on Dynamic Analysis (WODA 2006) co-located with ICSE 2006
6. Program Committee Member, Workshop on Automation of Software Test (AST 2006) co-located with ICSE 2006

1. 2005 Program Committee Member, IBM Verification Conference (IBM Verification 2005)

1. 2005 Program Committee Member, International Workshop on Reverse Engineering To Requirements (RETR 2005) co-located with WCRE 2005
2. 2005 Program Committee Member, ACM SIGPLAN Student Research Competition (ACM SIGPLAN SRC 2005) co-located with OOPSLA 2005

    Conference/Workshop Reviewers:

• 2007
• Reviewer, European Software Engineering Conference and the ACM SIGSOFT Symposium on the Foundations of Software Engineering (ESEC/FSE 2007)
• Reviewer, ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA 2007)
• Reviewer, European Conference on Object-Oriented Programming (ECOOP 2007)
• Reviewer, International Conference on Tools and Algorithms for the Construction and Analysis of Systems (TACAS 2007)
• Reviewer, ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI 2007)
• 2006 
• Reviewer, International Conference on Software Engineering (ICSE 2006)
• Reviewer, ACM Southeast Conference (ACMSE 2006)
• 2005
• Reviewer, International Conference on Aspect-Oriented Software Development (AOSD 2005)
• Reviewer, Software Process Workshop (SPW 2005)
• 2004
• Reviewer, ACM SIGPLAN-SIGSOFT Workshop on Program Analysis for Software Tools (PASTE 2004)

    Journals Referees:

• Referee, IEEE Transaction on Software Engineering (TSE) (2005, 2006, 2007, 2008, 2009)
• Referee, ACM Transactions on Software Engineering and Methodology (TOSEM) (2004, 2006, 2007, 2008, 2009)
• Referee, IEEE Software (2005, 2008)
• Referee, Automated Software Engineering, an International Journal (ASEJ) (2009)
• Referee, Software Testing, Verification and Reliability (STVR) (2007)
  
• Referee, Empirical Software Engineering (EMSE) (2006, 2007, 2008)
• Referee, Journal of Systems and Software (JSS) (2007, 2008, 2009)
• Referee, Information and Software Technology Journal (IST) (2005, 2007)
• Referee, Software and Systems Modeling (SoSyM) (2006)
• Referee, Journal of Software Maintenance and Evolution: Research and Practice (JSME) (2007)
• Referee, IBM Systems Journal (2007)
• Referee, IEEE Security & Privacy (S&P) (2007)
• Referee, Data Mining and Knowledge Discovery (DAMI) (2007)
• Referee, The Computer Journal (2006)
• Referee, Journal of Computer Science and Technology (JCST) (2007)

    Others:

• 2009- ACM SIGSOFT History Liaison, ACM SIGSOFT Executive Committee Member
• 2006, 2007, 2009 Panelist, National Science Foundation (NSF) proposal review panel
• 2008 Proposal Reviewer, Army Research Office (ARO)
• 2008 Proposal Reviewer, Dutch Research Council (NWO)
• 2007, 2009 External Reviewer, Research Grants Council (RGC) of Hong Kong
• 2007 Proposal Reviewer, Maryland Industrial Partnerships Program (MIPS)
• 2006 Proposal Reviewer, Maryland Technology Development Corporation (TEDCO)
• 2006, 2009 Book reviewer, Cambridge University Press
• 2005 Book reviewer, McGraw-Hill
• Creator and Maintainer of popular web resources for the Software Engineering Research Community and a comprehensive Advice Collection
• Member of the AOAsia network of Asian AOSD Researchers
• Active Member of MentorNet, the E-Mentoring Network for Diversity in Engineering and Science
• Volunteer of ACM SIGSOFT
• Member of ACM, ACM SIGSOFT, ACM SIGPLAN, and IEEE
• Research Ethics Senior Fellow (2005-08), the Research and Professional Ethics Program at NC State University
• Faculty Member of Institute for Advanced Analytics at NC State University