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Wooyong Choi

Head of IMS development at SK Telecom


Wooyong Choi is the R&D Senior Manager in SK Telecom.

He started to work for SK Telecom in 1997 joining Iridium technical team where he worked on Iridium messaging/data system and service development.

1999, he moved to the Network R&D center working on IMT-2000 packet core network systems/services development and All-IP network research.

From 2001, he has concentrated on the IMS-related R&D works and  standardization activities in 3GPP and 3GPP2.

He led the IMS commercial launch in 2004 and has been working on IMS systems and services development and evolution strategy. He is the chairman of the Korean national working group for the IMS-based mobile instant messaging interoperability standardization, and he led the technical standardization and interworking tests through the commercial launch in 2009.

He is also in charge of the NGN research and development in SK Telecom.

His current research interest includes IMS service and system, All-IP evolution, Fixed-Mobile Convergence, Next Generation Network and Services, QoS and Mobility.

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