Next Generation Cloud Group / Head of Group / Cloud Team / Mobile Communications Business / Samsung ElectronicsLead a group of 100 people to manage Product and build Cloud services- Lead a PM team about Samsung Cloud Product, 1B+ user based B2C services in Mobile eXperience Business such as Samsung mainly focused on mobile data sync/backup/restore, etc- Lead a team to develop and manage device software download/update and configuration management of 1B+ scale mobile device- Lead a team to develop and operate SIM unlock services for telecommunication business customers.

Cloud Operation Group/ Head of Group / Cloud Team / Mobile Communications Business / Samsung Electronics- Lead a global organization of 600+ people to operate Cloud services- Lead a team to operate 1B+ user based B2C services in Mobile eXperience Business such as Samsung Account, Knox, Bixby, SmartThings, Samsung Pay, Galaxy Store, RCS, Samsung Health, etc - Responsible for system health and 1st/2nd-tier operation such as CI/CD, change management, incident handling, system monitoring and NOC- Lead a team to develop and manage Cloud infra governance, finance ops, security ops, inhouse operating tools, asset management, etc optimizing cost efficiency of infrastructure- Lead postmortems about the system incidents and manage the recovery plan

Cloud Infra and Platform Group / Head of Group / Cloud Team / Mobile Communications Business / Samsung Electronics- Lead a global organization of 200+ people to build and operate Samsung Private Cloud- Built teams at Korea, California and Poland to build and operate Samsung Private Cloud- Developed and operated Samsung Private Cloud for internal customers such as Samsung Cloud for over 180 countries globally. - Enabled onboarding large scale internal customers in Samsung Private Cloud by supplying AWS compatible inhouse Cloud infrastructure solutions including managed database, distributed monitoring system, Cloud devops tools, DNS, highly efficient exabyte scale object storage, Compute, Block storage and virtual private Cloud- Operated Samsung Private Cloud with NOC, Customer support, SystOps, DCOps, NetOps and SecOps

Head of R&D group, Product Owner, Project Leader- Lead R&D group responsible for Private Cloud infrastructure and platform- Tech lead in a task force team to acquire a Cloud infrastructure company and oversee the company after integration. - Lead a project developing voice recognition service platform based on Private Cloud vertically integrated from Infrastructure to application and responsible for the deployment and operation of the service in production- Manage productions for DRM (Digital Right Management) - Lead several R&D project exploring new technology and services such as Cloud game, DRM, application virtualization, object recognition, NoSQL database etc- Responsible of develop Cloud computing technology collaborating with IT companies in Silicon Valley- Lead a project of prototyping accessory device ecosystem of Internet connected television

Project leader- Lead a project for service platform and device portal server for Internet TV. - Lead a project for developing software of Internet connected photo frame with RSS feed enabled. - Lead a project named CE 2.0 project, which is proof-of-concept for Samsung Internet TV- Founded PictSync standard organization, a Global standard of portable IT devices and initiated an international conference in Seoul- Lead a project of developing the first Internet connected digital photo frame into the market and photo sharing services collaborating with Korea Telecommunication and SK Telecom

- Lead a global organization of 100+ people to build and operate Cloud infrastructure- Lead teams at California including Dev, NetOps, SysOps, DCOps, Customer Support, Security and G&OEstablish goals of each department aligning the Samsung Mobiles Business goal and lead the teams to achieve the objectives- Rebuilt whole organization by new processes like performance review, evaluation, hiring and many moreSetup collaboration between Joyent and Cloud Infra and Platform Group, Mobile Experience Business, Samsung Electronics

The first representative liaison of Samsung Electronics in MIT Media Lab. - Co-work at Physical Language Workshop, John Maeda group. - Prototyped several concept projects including Sociable display and digital bookmarking system- Participated Treehouse project of PLW MIT Media Lab- RA of the coursework, "the Fundamental of Design" lectured by John Maeda and took the coursework "the Tangible User Interface" by Hiroshi Ishii- Sociable display project was developed in production in 2005.