Over the years, I have served in the Program Committee of a variety of conferences. Below are the most recent ones:
| UMAP 2011 | General Co-chair |
| IJCAI 2011 | Industry Day Co-chair |
| NetMob 2010 | Program Committee |
| UMAP 2010 | Program Committee |
| WWW 2010 | Program Committee |
| SocialCom 2010 | Program Committee |
| MobileHCI 2010 | Associate Chair |
| Interaccion 2010 | Program Committee |
| ICPR 2010 | Program Committee |
| MIR 2010 | Technical Program Co-Chair |
| IUI 2010 | Program Committee |
| AMR 2009 | Program Committee |
| ACM Multimedia 2009 | Program Committee |
| ICMI-MLMI 2009 | Program Committee |
| IUI 2009 | Technical Program Co-Chair |
| International Workshop on Video 2009 | Event Co-organizer |
| ICCV 2009 | Program Committee |
| ACM MM 2009 | Program Committee |
| IJCAI 2009 | Program Committee |
| Interaccion 2009 | Program Committee |
| UMAP 2009 | Program Committee |
| LOCA 2009 | Program Committee |
| AAAI-SpringSymp 2009 | Program Committee |
| MMM 2009 | Program Committee |
| PervasiveHealth 2009 | Program Committee |
| AAAI 2008 | Program Committee |
| CSTST 2008 | Program Committee |
In addition, I am a regular reviewer for the CVPR, CHI, IJCAI, AAAI, IUI, MobileHCI, Interaccion, NIPS, ICML, ISWC, ICMI, Pervasive, Ubicomp, PervasiveHealth conferences and IEEE TPAMI, IEEE TMM, IEEE TCSVT, Pervasive Mobile Computing, etc....
I serve in the scientific advisory board of the UOC Plan Avanza by the Internet Interdisciplinary Institute
I serve in the Editorial Board of Learning Inquiry Magazine