• Offered key insight/advice to clients to help them optimize the digital side of their business• Led the a variety of projects based on analyzing data to maximize client business growth• Collaborated with clients to implement and leverage winning business strategies

• Set up infra for marketing environment by looking for agencies, holding a competitive bidding, signing contract and executing as an initial member of B2B team• Led efforts to maximize marketing efficiency and launch new PC/MO web channel• Set up yearly/monthly digital marketing KPI’s (CVR, CPA, CTR etc.)• Planned and executed digital marketing campaigns including SEO, SEM, Display etc.• Managed company SNS profiles• Found and tested new marketing channels Increased website traffic 157% (UV) and average 6% of new users over a short period of time• Increased B2B sales leads by 14%• Successfully launched and optimized online channels (Web for Global/Local and SNS)• Increased lead quality by improving duration time 14%, PV 208%, session per PV 290% and decreased bounce rate by 13%• Improved key figures of company channels (subscriber, reach etc.)

• Planned and executed a range of digital marketing campaigns for HelloMobile• Identified critical business problems and created impactful annual/monthly marketing strategies• Tracked daily advertising data and collaborated closely with advertising agencies in monthly meetings to expedite communication • Optimized target customer segmentation based on advertising analyses, media portfolios, advertising budgets, and creative messaging• Supervised and operated social media profiles in collaboration with the PR team and cable TV business units to enhance brand awareness• Drafted regular marketing strategy reports and delivered presentations directly to the top management• Improved all marketing analytics for company online mall, including view through rate by 50% and unique visitor rate by 25%• Enhanced overall marketing index, including purchase consideration, brand awareness, and brand preference, by up to 44%• Contributed to winning best practice awards in branding and service management from accredited institutes, such as the Korea Brand Power Index (KPBI) and National Service Award (NSA)• Changed the search ads platform to Daum Kakao and Google to diversify service, expanded banner ads to Facebook and Instagram, artificial intelligence (AI) based ads including smart display campaign (SDC), and other viral marketing platforms, resulting in an expanded share of voice• Achieved cost savings of about 150 million KRW per month with a 70% reduction of CPA YoY• Increased the monthly average unique visitor rate for company website by 100,000 YoY

• Established annual and monthly sales strategies for each distribution channel and key performance indicator (KPI)• Handled business data analysis and management, including analyzing the sales performance of each business unit, on/offline sales settlements, forecasting expenses, and managing customer registration master data• Collaborated with the IT team on a computerized registration process of mobile telecommunication service, resulting in increased sales and cost savings• Achieved sales goals at 116% and met service subscriber goals in full, thanks to effective overall sales strategies and process innovation