Thanks to his consolidated experience, Giampiero became point of reference also for panel discussions. He is a member of some of the most important think tanks on employment topics and has a long-lasting collaboration with Il Sole 24 Ore.

He is the author of various sections of the Enciclopedia Giuridica Treccani and published more than 20 monographs. He is author of the Italian labour law manual Manuale di Diritto del Lavoro, which reached six editions and is a milestone for researchers, professionals and companies.