Cassani completed his PhD in pure Mathematics in 2006 at University of Milan, supervised by B. Ruf.

From 2006 to 2007, he undertook a postdoctoral position at the Pacific Institute for the Mathematical Sciences, University of British Columbia.

In 2012, he became a senior research fellow at the Department of Science and High Technology, Università degli Studi dell'Insubria.

[1] Cassani has been invited to serve as a visiting professor and speaker at international conferences hosted by prestigious institutions in China, Europe, North and South America, and Japan.

[4] Cassani's primary research interests encompass Nonlinear Analysis and Calculus of Variations, Partial Differential Equations and Inequalities, Systems of PDE and Applications to MEMS, Solitons Field Theory, Best constants in functional inequalities, Maximum principle, Inverse problems, and Image processing.