He is professor at the University of São Paulo since 1996 and president of the Brazilian Mathematical Society since 2017.
Piccione was born in Rome on April 24, 1964, in a genuinely Italian family – his paternal grandfather was from Sicily; and the maternal one of central Italy – of a social class "without any particular prominence", although he enjoyed the important advances of Italian society in the postwar period, Piccione achieved an education in high-level public schools.
He received his a PhD in Mathematics degree from the Pennsylvania State University in 1994 advisor by Adrian Ocneanu.
[2] He is currently a full professor at the Institute of Mathematics and Statistics, University of São Paulo, where he teaches since 1996 and completed his livre docência (Doctor of Law's USP).
The main results achieved in the area of Lorentzian geometry have an interpretation within General relativity.