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      David Castellanos

      Senior specialist, subscription handling in mobile broadband

      David Castellanos

      Ericsson

      Madrid, Spain

      David’s focus is identity and subscription management in 5G.

      He joined Ericsson in 1996 and has worked on identity and subscription management solutions for different access generations (2G/3G/4G) and domains (IMS, identity federation). He works in the Business Area digital services.

      David holds two bachelor’s degrees in Telecom Engineering from Universidad Politécnica de Madrid (UPM), Spain.