He was the organizer/convener of the 1st International Conference on Turfgrass Management and Science for Sport Fields, under the auspices of ISHS and the Editor of the corresponding Acta Horticulturae. Since 2005 he has been a Board Member of the International Turfgrass Society (ITS), the Chairman of the Turfgrass Management Working Group of ISHS and the President of the European Turfgrass Society (ETS). He has served as co-editor and reviewer in several International and National Conferences focusing on turfgrass science and management.