 Gaetaniello become a coach, after ending his player career, being in charge of Rugby Livorno 1931, from 1994/95 to 2003/04.He was the coach of Italy Sevens national team for two seasons, from 2004/05 to 2005/06.He was in charge of Cavalieri Prato, with Andrea De Rossi, from 2006/07 to 2010/11, achieving the promotion to the Super 10 in 2008/09, and being runners-up of the Italian Championship in 2010/11.