Riccardo advises on litigation and arbitration matters, and represents domestic and international clients before the courts and arbitral tribunals, including at the international level.

He provides assistance in complex litigation matters, particularly in the Construction, Infrastructure, and Energy sectors, as well as in connection with M&A transaction-related disputes.

Riccardo is also an assistant professor in the departments of Civil Law and Private Law at the University of Milan and is the author of several publications, including: 

  • R. Mazzei, L’obbligo di sospendere rapporti commerciali nella nuova Direttiva sulla Corporate Sustainability Due Diligence: inediti vincoli all’agire negoziale, in EU Green Rights: re-shaping fundamental rights for future generations, a cura di I. Caggiano - A. Mollo, (Naples, 2025).
  • R. Mazzei, Garanzia edilizia e onere della prova sui vizi (Contratti, VI, 2025).