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.01 Editorial board of a foreign/international collection of papers/book
S. Cabello has been co-chair of the organizing and co-chair of the scientific committee of the 31st European Workshop on Computational Geometry (EuroCG 2015), with about 120 participants.
B.02 Presiding over the programming board of a conference