• DMCS(Digital Marketing Consulting Services) - Associate Director- In charge of content management & and operation on 80 global websites (based on 40 languages) for the Global #1 business player in the consumer electronic market- Proposal for new business project/quote and unit price control/negotiation/contract/employee management - Support for clients' .com & e-commerce global roll-out project/platform upgrade/UI & UX enhancement- Business expansion and extension for Global Marketing Center and other Business Unit- M&A TF project for penetration in the online advertisement market

Head of Platform Division - In charge of JUSTOON COMICO : Webtoon & Web novel platform - Managing teams : Strategy/Operation/Marketing/Business Development/IP Channel Sales - Involved in Strategic development TF for global COMICO platform and WISDOM HOUSE contents - Building Contents Localization TF for US market - Establishing Contents performance management system TF

Head of Service Division (2016.01-2016.10)- Service Planning / Building / Operation for Snack Contents App "Super Feed" - Cumulative 3 million downloads with 5th week survival rate of 29%Head of Advertising Business Division (2014.01-2015.12)- Overall operation of CPC advertising business in Auction / Gmarket ("Smart Click") -> Responsible for overall process - planning / sales / operation / negotiation (Annal Gross Revenue - KRW 60 billion)- Leader of consulting project including DB migration with eBay Korea after 3 and half years contract finalized- ROAS performance tracking and data analysis per exposed inventories for Open market sellers/Advertisers (w shoplog)Head of Planning Division (2012.09-2013.12)- Planning / building / operating "Smart Click" advertising platform- Marketing, advertiser seminars and training program- Responsible for On-Line-SignUp sales target- Performance review and system improvement / optimizationLectures and Seminars- School of Communication in Sogang University, Lectures for undergraduate senior students (Professor Hyung Woo Choi) -> Spring semester in 2016 : Smart App Business Model (Capstone Design) -> Fall Semester in 2015 : Digital Content Planning (Capstone Design)- 2012 Online Market Conference (hosted by E-Sellers) -> Strategic CPC Advertising to Win in Open Market

Platform Business Division- Naver CPC advertising contract renewal, inventory expansion, performance review and operation manager in Auction / Gmarket ("Click Choice")- Seller Focus-Group-Interview research on launching price comparison site "ABOUT"- Expansion of ABOUT CPC Product Ads and Display Ads Partner Networks- Media agency management- Member of the Compliance Committee of the Fair Trade Commission- Participated in the company's future strategy TF – related to advertising business / O2O mobile commerce- Correlation Analysis on eBay Seller Gross Merchandising Volumes, Take Rate Structure & Advertising Expenditure (Decile Report)

Partner Management- Responsible for partnership engagement with major portals and media companies (Daum, Yahoo, Joins, etc.)- Partner performance review, optimization and inventories expansion- Deal modeling and contract renewalSyndication Business Operation- Establish / operate media agency policy and traffic quality management process- Profit maximization under risk managementChairman of Overgreen - Golfer's Club- Regular group rounds with club members in company and business partners- Screen golf competition- PR activities for company culture : newspaper magazine interviewKAIST Google SIG Activity- Web 2.0 and Google related seminars- Lecture on CPC Search Ad Business

Portal Business Division Keyword Advertising Team- Google CPC Advertising Contract Operations and performance review- Developed and improved Empas CPM keyword AD pricing modelPortal Business Division Service Analysis Team- Internal service KPI and traffic analysis- Analysis and report for business opportunities related to mobile network opening (1st landing page opennig and WINC system)

Solution Business Division- Development planning for Univies Messaging Service / Backup solution- Strategic planning for Firewall VPN security solution- TF team member for ISO-9001 certificationProduction Plant Purchasing Team- Server / Storage solution Cost Analysis- ERP work process establishmentCompany PR model activity- Newspaper advertisement model pressed on "Electronic Newspaper" / "Digital Times" - "Devotion to make Dreams come ture"

Investment Examination Department- Established Database of KAIST alumni venture companies- Participated in the investment review process