Experience

株式会社松尾研究所／Matsuo Institute

• Japan
• Software Development
• 1 - 100 Employee

• Data Science Intern

  • Jun 2023 - Aug 2023

  - Developed concierge chatbot that can implement a variety of tasks such as weather forecasting and booking a taxi, using LLM and prompting techniques. - Explored the capabilities of open-source LLMs such as Llama 2 and StableLM, evaluating their abilities on Japanese linguistic tasks and meticulously calibrating them with QLoRA to improve their abilities.



アイペット損害保険（株）

• Japan
• Insurance
• 1 - 100 Employee

• Assistant Manager of Corporate Planning Department

  • Apr 2022 - Jul 2022

  Tokyo, Japan Key Achievements: - Directed a budget management team of 6 to control expenses appropriately. - Established an executive KPI dashboard for board directors leveraging Tableau and Excel, adjusting and summarizing opinions by various stakeholders.

• Data Scientist

  • Apr 2019 - Mar 2022

  Tokyo, Japan Key Achievements: - Predicted the impact of premium change on sales, retention rate and loss ratio. - Established precise process for forecasting claims using Python for regression and time series analysis. - Detected insurance fraud, recouping more than 30 million yen (approx. US$250k) in redundant claims. - Created easy-to-understand data and conceptual visualizations using Tableau. - Calculated anticipated profits from agencies and acquisition targets and evaluated them to… Show more Key Achievements: - Predicted the impact of premium change on sales, retention rate and loss ratio. - Established precise process for forecasting claims using Python for regression and time series analysis. - Detected insurance fraud, recouping more than 30 million yen (approx. US$250k) in redundant claims. - Created easy-to-understand data and conceptual visualizations using Tableau. - Calculated anticipated profits from agencies and acquisition targets and evaluated them to contract with appropriate conditions.

• Sales Representative

  • Apr 2017 - Mar 2019

  Tokyo, Japan Key Achievements: - Achieved sales of over 120% of target, winning a rookie award. - Built trust with agencies by sincere communication. - Analyzed each agency’s data and executed measures to increase sales.

• Intern

  • Mar 2015 - Mar 2017

  Tokyo, Japan Key Achievements: - Strategized owned media and produced over 20 articles based on the investigation to improve SEO. - discovered the problem of service by analyzing levels of satisfaction for each function of the service.