He was the Director of the Italian National Group GNAMPA of the Istituto Nazionale di Alta Matematica (INdAM) and Dean of the Faculty of Mathematical, Physical and Natural Sciences of the University of Florence.

Marcellini received his Laurea Degree in 1971 at the Sapienza University of Rome and made his postgraduate studies from 1971–1973 at the Scuola Normale Superiore in Pisa under the supervision of Ennio De Giorgi.

Its scientific interests mainly are in the fields of calculus of variations and partial differential equations including applications, for example in the theory of non-linear elasticity and in biology.

His paper “Growth conditions and regularity for weak solutions to nonlinear elliptic pdes”, JMAA, 501 (September 2021), 124408, was chosen unanimously by the Committee chaired by Professor José Bonet Solves.

The award consists of a certificate of merit and a monetary prize donated by Elsevier and the American Mathematical Society (AMS).