1. Honorary President, International Mycological Association:; Departamento de Biología Vegetal II, Facultad de Farmacia; Department of Botany, Natural History Museum; Universidad Complutense de Madrid; Cromwell Road Madrid 28040 SW7 5BD London
2. President, International Mycological Association; CBS Fungal Diversity Centre; PO Box 85167 Utrecht 3508 AD Netherlands
3. Past-President, Associação Latino-Americana de Micologia:; Departamento de Fitopatologia, Universsidade de Brasília,; Brasília DF, Brasil 70910-900
4. President, African Mycological Association:; Forestry & Agricultural Biotechnology Institute,; University of Pretoria; Pretoria 0002 South Africa
5. Editor-in-Chief, Mycotaxon and Secretary, Nomenclature Committee for Fungi:; Pacific Northwest Mycology Service; NW Skyline Blvd Portland Oregon, 97229-1309
6. Chair, International Commission on the Taxonomy of Fungi:; Biodiversity (Mycology and Botany),; Agriculture and Agri-Food Canada; 960 Carling Avenue, Ottawa Ontario K1A 0C6 Canda