Thomas worked as a postdoctoral researcher at the Berkeley Sensor & Actuator Center, University of California in Berkeley, working in Prof. Kristofer S.J. Pister's team. He has initiated OpenWSN, an open-source initiative to promote the use of fully standards-based protocol stacks in M2M applications. From October 2005 to September 2008, he was a research engineer at France Telecom R&D/Orange Labs working on energy efficiency and self-organizing for wireless multihop networks, together with the CITI Laboratory, France. At that time, he has also been a member of the Student Activity and Award and Recognitions Committees, while serving as the Electronic Communications Coordinator of IEEE Region 8 (Europe, Africa, Middle-East and Russia). He obtained his PhD in Computer Science (2008) and MSc in Telecommunications (2005) from INSA Lyon, France. He has published several journal and conference papers, holds two patents, has contributed to three books, has given several international short-courses, and participated in standardization activities. He has been TPC member and member of the organizing committee of various conferences. He is reviewer for numerous IEEE and non-IEEE journals and a Member of the IEEE.