Marcelo Viana

Marcelo Miranda Viana da Silva (born 4 March 1962) is a Brazilian mathematician working in dynamical systems theory. He proved the Zorich–Kontsevich conjecture together with Artur Avila.

He was a Guggenheim Fellow in 1993. He received the TWAS Prize in 1998 and in 2005 he was awarded the inaugural ICTP Ramanujan Prize for his research achievements.

Viana was vice-president of the International Mathematical Union in 2011–2014, and president of the Brazilian Mathematical Society (2013–2015).

In 1998, he was a plenary speaker at the International Congress of Mathematicians, in Berlin.

Viana is director elected of the IMPA (for the period 2016–2019).

Viana is a columnist for ''Folha de S.Paulo''.

He was the chair of the executive committee for the 2018 International Congress of Mathematicians, Rio de Janeiro. Provided by Wikipedia