Hisanori Muramoto

Data-Driven eCommerce Specialist | Automation Expert | Gen AI for DX / VBA / Power BI / Access | BA in Computer Science / MA in Music

Odawara, Kanagawa, Japan

About

šŸŽ“ Educational Background Graduated from multiple universities with a dual focus in Information Science and Music, cultivating a unique ability to think across disciplines. While attending a music college, also pursued a career as a freelance vocalist, balancing creative expression with analytical thinking—a synergy that continues to define my professional approach. šŸ’» Technical Skills & Projects Web Scraping & Data Automation Built a university project that scraped real-time Forex data, performed automatic analysis, and published the results to a blog. Created a script to auto-purchase discounted items during flash sales on a major Japanese e-commerce platform. Web Development Developed CMS-based websites using MODx. Co-authored ā€œCreating the Ultimate CMS Site with MODxā€, an introductory guide for MODx beginners. Market Research & Keyword Analysis Performed product price trend analysis using Keepa API and SellerSprite. Mined high-conversion SEO keywords via Amazon Brand Analytics and SellerSprite, providing actionable insights to internal AMS teams. šŸ“ˆ Professional Expertise Specialized in EC strategy development, from demand forecasting and order planning to promotional execution. Applied data-driven approaches by integrating deep product knowledge, competitor analysis, and market dynamics. Designed and maintained sales dashboards and price benchmark tools using Power BI and Selenium Basic for real-time insights. šŸ† Key Achievements Delivered +288% YoY growth in the Japanese market in 2021, playing a pivotal role in driving Turtle Beach’s regional expansion. Sustained performance into 2022 with a +17% YoY growth (Jan–Nov) by incorporating new data analysis frameworks and marketing angles. Achieved triple-digit sell-in growth for two consecutive years (2021 and 2022), contributing significantly to overall revenue.

Experience

  • Turtle Beach (6 yrs 11 mos)
    • Senior Online Sales and Marketing Specialist, Japan
      Apr 2025 - Present Ā· 1 yr 8 mos

    • Apr 2025 - Present Ā· 1 yr 8 mos
      Present

    • Online Sales and Marketing Specialist, Japan
      Jan 2023 - Apr 2025 Ā· 2 yrs 4 mos

      Responsibilities -Product Content Management and Optimization: Adopting product gallery images and A+ content on Amazon Japan. Collaborating with marketing personnel to optimize existing internal content for Amazon. -Data Analysis and CVR Improvement: Improving Conversion Rate (CVR) through SEO and content modification, based on traffic and sales data analysis. Utilizing Seller Sprite and Amazon Brand Analytics for keyword mining and proposing SEO strategies and keywords to the internal AMS (Amazon Marketing Services) operation team. Creating detailed data analysis dashboards using Power BI. -Utilizing User Feedback: Improving Amazon PDP (Product Detail Page) content based on user reviews. Providing feedback to the product development team, including translation from Japanese to English. -Market Analysis and Strategy Planning: Conducting marketing and trend analysis for the Japanese market and communicating information to the internal team. Analyzing market prices using Keepa API and SellerSprite. Developing pricing strategies and sales promotion plans based on competitive price benchmarks. -Event Planning and Inventory Management: Planning for Monthly Deals, Prime Day, Black Friday events. Managing inventory and suggesting orders to agents based on forecast data using Power BI. -Communication and Management Support: Assisting the Country Manager with administrative tasks (such as credit management and promotion budget management). Negotiating between Amazon Japan, Japanese agents, and the headquarters. -Collaboration with Agents: Supporting data analysis, content improvement proposals, and sales promotions for official online channels such as Rakuten and Paypay Mall. Assisting with sales activities to PC specialty stores Supporting responses to manufacturer escalations from agent customer service.

    • Online Sales and Marketing Assistant, Japan
      Jan 2020 - Jan 2023 Ā· 3 yrs 1 mo

      ACHIEVEMENTS • Achieved Amazon Retail COGS basis YoY (~Nov YTD) +17% in 2022, YoY +149% in 2021.(Turtle Beach) In 2022, with my strong contribution, the company achieved double-digit growth while its competitors in the gaming category were unable to continue to grow in the Amazon business. • Achieved Sell-In Based revenue YoY +80% growth in 2022, and YoY +188% growth in 2021.(Turtle Beach) In 2022, Japan team archived 1M USD revenue in a single month and it was the first country of APAC region.

  • Auditor at NPO Homeschool Association of Japan
    Jul 2024 - Present Ā· 2 yrs 5 mos

  • Singer at Freelance
    Apr 2008 - Present Ā· 18 yrs 8 mos

  • Representative at null

  • Extrachor at Hamburgische Staatsoper GmbH
    Feb 2020 - Jun 2020 Ā· 5 mos