Pedro Willem Crous (born 2 November 1963) is a South African mycologist and plant pathologist. Study In 1985 he obtained a B.Sc. in forestry at the University of Stellenbosch. In 1988 he obtained his M.Sc.Agric. cum laude at the same university. In 1992 he was awarded a Ph.D. in agriculture at the University of the Orange Free State (now called the University of the Free State) in Bloemfontein. In 2009 he was awarded a D.Sc. in fungal systematics at the University of Pretoria (South Africa). University of Stellenbosch He was appointed as lecturer at the department of Plant Pathology at Stellenbosch University in 1991, and became a professor in 1995. From 1999 he was the head of the department of Plant Pathology until 2002. Westerdijk Fungal Biodiversity Institute In 2002 he accepted the directorship of the Westerdijk Fungal Biodiversity Institute, or in short Westerdijk Institute (then called Centraalbureau voor Schimmelcultures), an Institute of the Royal Netherlands Academy of Arts and Sciences (KNAW) in Utrecht, the Netherlands. Awards Crous has received several awards during his career, namely the President’s award from the SA Foundation of Research Development (1994), Alexopolous Award from the Mycological Society of America (1999), Havenga Award for Biological Sciences from the SA Academy for Arts and Science (2001), Christiaan Hendrik Persoon Gold Medal from the Southern African Society for Plant Pathology (2005), Founders’ Award from the European Mycological Association (2011), Honorary membership of the Mycological Society of America (2012), Elected Fellow of the Southern African Society for Plant Pathology (2013), and Honorary Membership of the Mycological Society of India (2015). He presently has an A1-rating from the National Research Foundation in South Africa, where he supervises students at the University of Pretoria. Memberships of scientific organisations, editorships, cooperations and professorships Crous is member of several scientific organisations, including the Mycological Society of America (MSA), The Royal Netherlands Society of Plant Pathology (KNPV), American Phytopathological Society (APS), Australasian Plant Pathology Society, Netherlands Microbiological Society (KNVM), Southern African Society for Plant Pathology, Linnean Society of London, World Federation for Culture Collections, and the International Mycological Association. He was President of the International Mycological Association (2006-2010), and is currently the secretary-general. In 2010 he was elected Corresponding Member of the Royal Academy for Overseas Sciences (Belgium). Together with Jozef Geml he is editor-in-chief of the mycological journal Persoonia, managing editor of Studies in Mycology and IMA Fungus, editor-in-chief of Fungal Systematics