B. Mohar is an editor of Electronic Journal of Combinatorics (Editor-in-Chief), SIAM Journal on Discrete Mathematics (Associate Editor), Discrete Mathematics (Associate Editor), Ars Mathematica Contemporanea (Editorial Board), Linear and Multilinear Algebra (Editor), Journal of Graph Theory (Editorial Board), Journal of Combinatorial Theory, Ser.B (Editorial board), Discrete and Computational Geometry (Editorial board), MATCH (Editorial board).
C.04 Editorial board of an international magazine
S. Cabello was a Program Committee member for ACM-SIAM Symposium on Discrete Algorithms (SODA'14, Oregon, USA).
B.01 Organiser of a scientific meeting