He is currently professor at the Faculty of Mathematics of the University of Vienna.

His research focuses on calculus of variations, partial differential equations, and materials science.

[1] Stefanelli obtained his PhD under the guidance of Pierluigi Colli [Wikidata] in 2003 at the University of Pavia.

He holds a Researcher position at the Istituto di Matematica Applicata e Tecnologie Informatiche E. Magenes of the National Research Council (Italy) in Pavia since 2001.

He has also conducted research at the University of Texas at Austin, the ETH and the University of Zurich, the Weierstrass Institute in Berlin, and the Laboratoire de Mécanique et Génie Civil in Montpellier.