• I have been a PC Member of many CS conferences
• I was the PC Chair of CSR'13
• Editorship:
  • Guest editor of Theory of Computing Systems in 2014 and 2015
  • Editor of the ACM Transactions on Algorithms
  • Editor of Algebra Universalis
  • Editor of Computer Science Reviews
  • Editor of SIGLOG News Complexity Column
• Organizing Committee member of:
  • Dagstuhl Seminar on The Constraint Satisfaction Problem: Complexity and Approximability
  • Workshop on Approximability of CSPs within the Summer Thematic Program on the Mathematics of Constraint Satisfaction at the Fields Institute, Toronto
    
  • BIRS Seminar on Algebraic and Model Theoretical Methods in Constraint Satisfaction
  • Dagstuhl Seminar on The Constraint Satisfaction Problem: Complexity and Approximability
  Simons Institute program on Counting Complexity and Phase Transitions
  • BIRS Research in Teams program on The Structure of Finite Algebras and the Constraint Satisfaction Problem
• I am a Steering Committee member of the ACM/IEEE Symposium on Logic in Computer Science (LICS)
• I was the conference chair of Thirty-Fourth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)
• In 2010-2012 I was a member of the PIMS Postdoctoral Fellowship selection committee
• In 2013-2017 I was on the BIRS scientific panel