Leonardo has participated in a number of standards organisations and has created a few of his own. This page gives information about the standard organisations he has established or has led.
| Year | Title | Acron. | Purpose |
| 2005 | Digital Media in Italia | dmin.it | Digital media in Italy |
| 2003 | Digital Media Project | DMP | Interoperable digital media |
| 1999 | Secure Digital Music Initiative | SDMI | Protected music |
| 1997 | Open Platform Initiative for Multimedia Access | OPIMA | Open media access |
| 1996 | Foundation for Intelligent Physical Agents | FIPA | Agent communication |
| 1994 | Digital Audio-Visual Council | DAVIC | Media distribution platforms |
| 1998 | Moving Picture Experts Group | MPEG | Digital media representation |