Referee work for 16 journals

Reviewer for Math Reviews (32 reviews)

Member of the Strathclyde Combinatorics Group

Member of the Icelandic Center of Excellence in Theoretical Computer Science (ICE-TCS)

Member of the organizing committee, Permutation Patterns 2006

Member of the organizing committee, Formal Power Series and Algebraic Combin. 2011

Member of the organizing committee (Chair), 10th Nordic Combinatorial Conference, 2010