• 2015.10-2018.9       Ph.D Kyushu University, Japan.                       Supervisor: Prof. Kenshi Hayashi
• 2012.9-2015.6         M.E. Northwest A&F University, China.         Supervisor: Prof. Wenchuan Guo
• 2008.9-2012.6        B.E. Northwest A&F University, China.         

FLYWHEEL

• Provided recommendation and search systems for clients.
• Led and implemented the process from POC to product launch.
• Managed data flow from raw user logs to user-item feature data.
• Handled model training, updates, and serving.
• Completed A/B testing and analyzed the test results.
• Built KPI dashboards to evaluate the system’s business value.
• Built a deep interest network for re-ranking the retrieval recall results.
• Implemented fine-tuning of an open-source LLM based on LoRA and user data.
• Clients (Not all): [Conata™ Discovery Ads] [EC: COOP] [EC: Netsea] [EC: Manga Mee] [Optimization: KDDI Logistics Center]
• Tech stack: Python|AWS|SQL|dbt|Dagster|Airflow|Snowflake|Tableau|LLM|Pytorch|Huggingface|Elasticsearch

EY Japan

• Developed a tax type classification model based on NLP feature extraction.
• Implemented abnormality detection based on tax documents (Patent).
• Achieved an F1-score of 0.7 for the tax type classification model.
• Tech stack: Python|Pytorch|TF-IDF|R|Shiny|Bert|Azure|Alteryx

Yahoo Japan

• Developed recommendation systems for Yahoo Shopping and Toppage; prepared data pipelines for feature generation.
• Detected bot users on Yahoo Shopping.
• Applied DeepWalk and GRU-based graph feature extraction for item and user embedding.
• Increased GMV by 115% with the proposed model; awarded the Science Department Award twice.
• Proposed features that improved click-through rate by 10% (Patent).
• Tech stack: Hive|Spark|Python|Airflow|Scala|Pytroch

• 2024, Tableau Certified Consultant, Tableau Software.
• 2021, Youth Talent Support Program, Chinese Academy of Sciences.
• 2020, Science Group Award, Yahoo! Japan, Top 5%.
• 2019, Data & Science Award, Yahoo! Japan, Top 5%.
• 2018, Japanese-Language Proficiency Test (JLPT), N1, Japan Educational Exchanges and Services.
• 2017, Internation Conferences Subsidy, The NEC C&C Foundation, Top 20%.
• 2015, Outstanding Graduate Student, Northwest A&F University, Top 5%.
• 2013, National Scholarship for Graduate Student, Ministry of Education, Top 1%.
• 2012, Japanese-Language Proficiency Test (JLPT), N2, Japan Educational Exchanges and Services.
• 2008-2012, First Prize of Academic Scholarship, Northwest A&F University, Top 10%.

• Japan Statistical Society Certificate
• Statistical Rethinking
• Golang + Postgres + Kubernetes + gRPC
• Cpp
• Game: From Software