• Ha svolto il lavoro di External examiner per il PhD di Mr. S.D. Capper presso l’Imperial college of Science Technology and Medicine, Londra, 19 Dicembre 2007. Titolo della tesi: High accuracy Methods for the solution of Two Point Boundary Value Problems. Supervisor: Dr. D. Moore.
• Svolge il lavoro di referee per le riviste:ACM TOMS, Journal of Difference Equations and
Applications, Journal of Computational and Applied Mathematics, Numerical Algorithms,
Parallel and Distributed Computing Practices, Siam Journal of Numerical Analysis, BIT.