- AAAI (American Association for Artificial Intelligence), since 03.
- ACL (Association for Computational Linguistics) since 05.
- CSS (Cognitive Science Society), since 06.
- EEF (Engineering Excellence Fund), Univ. of Colorado at Boulder, Committee Member, 02-06.
- M2AG (Milano Messina Action Group, the Italian chapter of the Texas Action Group in AI), since 00.
- Mensa Italy (international high-IQ society), active in the Cognitive Science SIG, since 91.
- PNWA (Petri Nets World Association), since 03.
- WASP (Working group on Answer Set Programming), since 03.
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