Jacek Marek Junosza Kisielewski (Polish pronunciation: ; born 21 January 1952, in Poznań) is a Polish biologist and diplomat; ambassador to Brazil (2007–2013) and Portugal (2016–2020). Jacek Junosza Kisielewski studied Biology at the Adam Mickiewicz University in Poznań. In 1978, he defended his doctoral thesis, and, in 1990, post-doctoral degree (habilitation) on Inland-water Gastrotricha from Brasil. He was working as a biologist at the University of Agriculture and Pedagogy in Siedle and at the Research Centre for Agricultural and Forest Environment of Polish Academy of Sciences in Poznań. He was a visiting professor at the University of São Paulo (1984–1985). He has also been carrying out research at the Amazon delta. He was doctoral advisor of one thesis (1992). More information...
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