Kei a Osvaldo te Tohu Paetahi me te Tohu Tohu Paetahi (1989) i roto i nga Tikanga Tuturu i te Kareti Federal o Rio Grande do Sul. Kaiwhakahaere o te Tari o te Hurirangi me te Whakaoranga i te MCTI. He ahorangi tonu ia i te Federal College of Santa Maria (UFSM). Ko ia te Kaiwhakahaere o te Pokapū Mo te Aroturuki me te Whakatupato i nga Disasters Natural - CEMADEN (2015-2023). Ko ia te Heamana o te Komiti Tuturu mo te Whakaiti Momorearea o te Ao o te Ao Meteorological Organization. Mai i te 2009 ki te 2011 ko ia te Kaiwhakahaere Putaiao o te Rangahau Foundation o te Kawanatanga o Rio Grande do Sul (FAPERGS) a mai i te 2011 ki te 2013 ko ia te Kaiwhakahaere o te Pokapū Brazilian mo te Matapae Huarere me te Akoranga Huarere (CPTEC). Ko ia te Kaiwhakahaere o nga Kaupapa Rangahau me te Whakawhanaketanga me nga Papatono i te Brazilian Ministry of Science, Technology and Innovation (MCTI) (2014-2015), Kaiwhakahaere Scientific o te Brazilian Meteorological Society (2012-2015), Kairuruku o te Komiti Tohutohu mo te Taiao. o te Kaunihera Motu mo te Whanaketanga Putaiao me te Hangarau (CNPq) (2008-2009), Kairuruku o te Kaupapa Tohu Paetahi i roto i te Ahumahi (1994-1996) me te Kaupapa Tohu Paetahi i te Meteorology (2002-2004) i te Federal College of Santa Maria (UFSM). ). Neke atu i te 30 nga tauira MSc me te PhD i tirotirohia e ia, ka tata ki te 100 nga tuhinga i roto i nga pukapuka puiao.
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