He holds the DSc. and the MSc. degrees from PUC-Rio. In PUC-Rio he is also a technical coordinator with the TeleMidia Lab, which is the research group responsible for the Ginga-NCL specification: the declarative middleware of the Brazilian DTV System and an ITU-T recommendation for IPTV services. He is one of the editors of ITU-T Recommendation H.761 and draft new recommendation H.IPTV.MAFR.14.