Experience

11번가 (11STREET)

• South Korea
• Technology, Information and Internet
• 100 - 200 Employee

• CTO

  • Sep 2018 - Present

  - Tech: Search, Recommendation, Image Search - Tech: Machine Learning, Deep Learning, Big Data Analysis - Tech: Ads Tech, DSP, DMP - Tech: Search, Recommendation, Image Search - Tech: Machine Learning, Deep Learning, Big Data Analysis - Tech: Ads Tech, DSP, DMP



SK planet

• South Korea
• Information Technology & Services
• 300 - 400 Employee

• Senior vice president of Platform Tech Office

  • Oct 2016 - Aug 2018

  SK Planet Search Engineering Office / Senior vice president (2016.10~2017.7) - Task: Search service, Search platform, Search engine development - Task: Search ranking algorithm, Product recommendation algorithm development SK Planet Platform Tech Office / Senior vice president (2017.8~2018.8) - Tech: Search, Recommendation, Image Search, Machine Learning, Deep Learning - Task: Data platform engineering, Strategy of technology, Tech HR - Tech: DMP(Data Management Platform), DIC(Data Infra Cluster)



NAVER Corp

• South Korea
• Technology, Information and Internet
• 700 & Above Employee

• Technical Leader

  • Jan 2001 - Sep 2016

  NAVER Search Modeling Team / Researcher (2001.1~2006.03) - Task: Information Retrieval Model (2-poisson model, language model) NAVER Search Modeling Team / Leader (2006.4~2009.8) - Task: JAPAN Search Algorithm Modeling -- web search modeling, pagerank algorithm -- image, video, blog, board, news, site search modeling -- spam detection algorithm - Task: KOREA Search Algorithm Modeling -- web, site, image, video search modeling -- spam detection algorithm NAVER Shopping Search Modeling Team / Leader (2009.9~2013.11) - Task: Shopping Search Algorithm Modeling - Task: Local Search Algorithm Modeling - Task: Book Search Algorithm Modeling NAVER DB Search Modeling Laboratory / Lab Head (2013.11~2015.1) - Task: web, image, video, site search algorithm modeling - Task: shopping, local, book search algorithm modeling - Task: recommendation algorithm (book, shopping, local) NAVER Shopping Search Team / Leader (2015.2~2016.9) - Task: Shopping Search Algorithm Modeling - Task: Product Recommendation Algorithm