Carlos Ralli Ucendo got his degree in  Telecommunications Engineer from the Technical University of Madrid (UPM). He joined Telefónica I+D in 1997. 

During 1999 he planned and executed the first IPv6 connection of Telefonica and UPM experimental networks to the quot;6-Bone", the first IPv6 worldwide network,  as described in his book “Análisis, Configuración y Pruebas del Protocolo IPv6”. 

As a network researcher, he has contributed to several  national and international projects (SABA, SABA II, Armstrong Eurescom P1009, eTEN m-MAG). 

As a senior researcher, he has been playing the role of  scientific and financial coordinator in LONG (IST-1999- 20393) FP5 project and as prime contractor in Euro6IX (IST- 2001-32161) FP5 project, considered the largest industrial IPv6 research testbed/backbone in the EU. 

Within the Euro6IX project, Carlos co-organized the “Global IPv6 Service Launch event” (Brussels, Jan 2004) in cooperation with the EC, GEANT and the 6NET project performing IPv6 presentations and demonstrations of Telefonica IPv6 commercial services to the EU Commissioner Erkki Liikanen and EU parliament members. 

During 2005 and 2006 Carlos contributed to the “NG- CWE Expert Group” launched by the European Commission and the European Space Agency (ESA). 

In the period 2006-2009 Carlos was focussed on  researching in ICT technologies application in rural traditional and emerging businesses in the context of C@R (IST-FP6- 34921), leading the design of an open architecture able to cope with Telco capacities and existing and forthcoming SW platforms. 

Since 2008, Carlos is the main participant of TI+D team in the 6Choice (2008-2010) FP7 coordinated action, where relevant Indian and EU partners identify and disseminate exploitation IPv6 results and scenarios. 

Since 2006 up to now, he has being assisting the  European Commission as independent expert in IST projects technical reviews.