Professional

1. 1991- Member, Program Committee for Structural Complexity Theory Conference.
2. 1992-2001 - Editor of STRUCTURES ABSTRACTS (Later COMPLEXITY ABSTRACTS)
3. 1993- Member, Program Committee for Computational Learning Theory Conference.
4. 1993-1999- Manager of COLT Bibliography
5. 1996- Member, Program Committee for Computational Learning Theory Conference.
6. 1998- Member, Program Committee for Computational Learning Theory Conference.
7. 2006- Member, Program Committee for Algorithmic Learning Theory.