He has an extensive and distinguished background in competition law. Mr Caiazzo is a part-time professor of competition law at the Roma Tre University and a lecturer on master’s programmes of other universities. He is the author of several publications on antitrust law and a frequent speaker at both Italian and international seminars. He was vice chairman of committee C (Antitrust and Trade Law) of the International Bar Association.
Among the number of books and articles that he has authored are: 'Antitrust e Telecomunicazioni' (in Studi celebrativi del Ventennale dell'Autorità Garante della Concorrenza e del Mercato, Giappichelli, 2010); 'Antitrust violations, consumer protection and class action: a new era for private enforcement in Italy?' (IX Conference - Antitrust between EU law and National law, Treviso, 2010, Giuffrè); 'L'Autorità per le garanzie nelle comunicazioni' (chapter of the book Arbitri dei mercati - le Autorità indipendenti e l'economia, Ed il Mulino, 'Access to the network - Legal issues' (chapter of the book Electronic Communications Law Giuffrè, 2010); and Antitrust - Legal Issues, (Giappichelli Editore, 2007).
He graduated in law from Rome University in 1981 and obtained a law master's (LLM) at the University of London (London School of Economics and Political Science) in 1986.