Professor Santa Maria has been practicing law for over 50 years. He has built a broad and in-depth experience in a wide variety of practice areas, is often entrusted with key roles and responsibilities by the Italian and foreign governments, and frequently counsels leading Italian banks and companies.
Professor Santa Maria regularly advises the Italian government regarding privatizations, restructurings, and several aspects of European law and international trade law. He has been involved in many major M&A deals, mainly in the banking, health care, chemical, and industrial fields.
Professor Santa Maria represents high-profile clients and institutions before Italian courts in leading cases on commercial and corporate law, and before the European Commission, European General Court, and European Court of Justice in proceedings concerning competition, antitrust, state aid, and international trade law.
He is frequently appointed as arbitrator or chairman of the arbitration panel in national and foreign arbitration procedures.
Professor Santa Maria also sits on the boards of several leading companies such as Bracco S.p.A., Bracco USA Inc., Corner Banca S.A., Villa d’Este S.p.A., and he is the Chairman of Immobiliare San Carlo Trieste S.p.A. He served as secretary of the board of directors of EXPO 2015 S.p.A. (from incorporation until the liquidation of the company). He also previously served on the boards of Morgan Grenfell (1984-1994), Banca Popolare di Milano, Campari S.p.A., Esaote S.p.A., Ferrovie dello Stato S.p.A., and Riunione Adriatica di Sicurta (RAS) S.p.A.
Concentrations
•Corporate and M&A
•International law
•Conflict of laws
•European Union law
•International trade law
•Competition and antitrust law
•Litigation and arbitration
•Telecommunications
Recognition & Leadership
Awards & Accolades
•Chambers Europe and Chambers Global
•Selected, Dispute Resolution - Italy, 2021-2025
•'Senior Statesperson,' 2025
•Selected, Dispute Resolution: Most in Demand Arbitrators, 2023-2025
•Selected, Dispute Resolution, Arbitrators (Spotlight Table) - Italy, 2020 and 2022
•Selected, Leading Individual, Dispute Resolution and Arbitration - Italy, 2019
•Selected, Leading Individual, Dispute Resolution and Arbitration - Italy, 2018
•Selected, Leading Individual, Dispute Resolution and Arbitration - Italy, 2017
•Legal 500
•Selected, Private Practice Powerlist: Dispute Resolution - Italy, 2023
•Legal 500 EMEA
•Selected, Leading Partners, Dispute Resolution, 2020 - 2025
•Selected, Dispute Resolution and EU regulatory and competition - Italy, 2023
•Selected, Dispute Resolution and EU regulatory and competition - Italy, 2019
•Selected, Dispute Resolution and EU regulatory and competition - Italy, 2018
•Selected, Dispute Resolution and EU regulatory and competition - Italy, 2017
•Listed, Lexology Index: Arbitration, Recommended, 2026
•Best Lawyers
•Awarded, Best Lawyers in Italy 'Lawyer of the Year International Arbitration - Milan”, 2020
•Selected, Best Lawyers in Italy
•Arbitration and Mediation, 2020 and 2024-2025
•International Arbitration, 2024-2025
•Litigation, 2020 and 2024-2025
•Competition / EU Law, 2020 and 2024-2025
•Corporate Law, 2020
•Capital Markets Law, 2020
•Legalcommunity
•Legalcommunity Corporate Awards 2017 - Litigation Lawyer of the year
•Legalcommunity Corporate Awards 2016 - Litigation Lawyer of the year
•Top Legal
•Top Legal Awards 2014 - Excellence Award of the yea