Marco Piccolo


Marco holds a law degree from the Universidad de Monterrey (UDEM), Mexico, and an LLM in international law from the University of Cambridge.  He advises private entities and States on a wide range of contentious and non-contentious public international law matters.

Marco’s experience in investor‑State arbitration includes acting for private investors in an annulment proceeding against a Latin American State and for a mining company in a dispute with an EU State.  Marco has also represented a EU State in a number of claims arising out of legislation intended to address Swiss franc-indexed loans

His International Court of Justice experience includes representing the Republic of Kenya in its high-profile maritime delimitation dispute with the Federal Republic of Somalia.

Marco has also been involved in representing a State asserting immunity before English Courts and Tribunals. 

Marco’s non-contentious practice includes advising the Republic of the Union of Myanmar (through the parliamentary-designated National Unity Government) and advising a Middle Eastern State in relation to a wide range of public international law matters.

Before joining Volterra Fietta, Marco worked for five years at a leading Band 1 Mexican law firm, advising and representing clients in corporate transactions including M&A, joint ventures, environmental and real estate, as well as acquisition and asset-based financing transactions.  

Direct dial: +44 (0)207 380 4394


LLM, University of Cambridge

Law Degree, Universidad de Monterrey (cum laude)


Spanish, English, Italian and French (elementary)

Bar admissions