David Castellanos

Senior specialist, subscription handling in mobile broadband
David Castellanos

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.