Mr. Di Pietro is an Italian national qualified to practice in England & Wales (Solicitor), in Italy (Avvocato), and registered as Foreign Legal Consultant in Florida, USA. He is a Fellow of the Chartered Institute of Arbitrators (FCIArb).

Mr. Di Pietro has resided and practiced international arbitration in Italy, England, Japan, and the United States of America. He has acted as chairman, sole arbitrator, and co-arbitrator in arbitration proceedings, both ad hoc and under the rules of different institutions, with seat in 10 different countries and dealing with a variety of disputes in various sectors including energy, chemical, aerospace, defence, corporate, construction, and international supplies.