Ramon Casellas (Barcelona, 1975) graduated in Telecommunications Engineering in 1999 both from Technical University of Catalonia (UPC, Barcelona) and from the Ecole Nationale Supérieure des Télécommunications (ENST, Paris) in the framework of the Erasmus student exchange program. He has completed a PhD degree in Telecommunications in 2002, from the Ecole Nationale Supérieure des Télécommunications (ENST, Paris) funded by a CTI project with France Telecom Research and Development.

He has worked as an undergraduate researcher at France Telecom Research and Development - FT R&D formerly known as Centre Nationale d'Etudes des Télecommunications (Issy les Molineaux, France, April to August, 1998) and British Telecom Labs (Ipswich, UK, September to December, 1998). In 2002, he joined the Networks and Computer Science Department at the ENST as an Associate Professor (November 2002 to December 2005) In March 2006, he joined the CTTC Optical Networking Area as Research Assistant, participating in IST IP (NOBEL phase 2) project. Since November 2006 he is Research Associate.

His research interest areas include GMPLS architecture, Traffic Engineering and Distributed control schemes.