• Editor in Chief of the new journal Optimization and Engineering, (since 1997) Kluwer Academic Publishers.
  • European Journal of Operations Research, EURO/Elsevier Publishing Company. Since 2000).
  • Computational Optimization and its Applications, Kluwer Academic Publishers Company. Area editor on software (since 1997).
  • Mathematics of Optimization, Budapest University of Economy, Budapest, Hungary. Member of the editorial board (since 1999).
  • Editor of the book Interior Point Methods of Mathematical Programming, (1996) Kluwer Academic Publisher Company.
  • Guest editor, together with C. Roos, of the special issue of Applied Numerical Mathematics Vol.29 No.3. (1999), Elsevier, devoted to the HPOPT-96 workshop.
  • Co-editor, together with J.G.B. Frenk, C. Roos and S. Zhang, of the conference proceedings High Performance Optimization II, 1997, Kluwer Academic Publishers Company, Vol. 29(3), 1999).
  • Guest editor, together with F. Potra and C. Roos, of the special volume of Optimization Methods and Software Vol.11-12. (1999), Gordon and Breach, devoted to Interior Point Methods.