Rittwik Jana is a Director of Inventive Science at AT&T Labs Research. His research interests span architecting the disaggregated RAN intelligent controller in O-RAN, service composition of VNFs using TOSCA, model driven control loop and automation in ONAP, networked video streaming and cellular networks and systems. He is currently the chair of the requirements and software architecture committee of the O-RAN Software Community (OSC). Rittwik earned a Ph.D. in Telecommunications Engineering from the Australian National University, Canberra, Australia in 2000. He is a recipient of the AT&T science and technology medal in 2016 and the IEEE Jack Neubauer memorial award in 2017 for his work on full duplex wireless.