Ryusei Ushijima

Responsibilities

• Managed end-to-end operations for approximately 100 non-perishable food SKUs, including product planning, inventory control, ordering, and customer service
• Led FDA registration processes for food products intended for the U.S. market, including documentation and coordination with regulatory partners
• Created and maintained around five new Amazon product listings per month for original product concepts
• Conducted demand forecasting and ordering for new product launches, effectively preventing overstock and stockouts
• Handled 10–30 customer inquiries per day via email and phone, providing order processing and after-sales support

Achievements

• Built an efficient operational workflow that enabled daily order handling with just one to two staff members, reducing labor costs by approximately 30%
• Established a robust inventory control system, achieving zero stockouts on store shelves for six consecutive months
• Successfully completed FDA registration independently, enabling entry into the U.S. market
• Achieved a 20% ROAS (Return on Ad Spend) for in-house products through targeted Amazon PPC campaigns

Responsibilities

• Managed inventory, ordering, shelf organization, and customer service for 1,000+ packaged food SKUs (excluding perishables)
• Forecasted demand based on seasonal and daily trends to optimize stock levels
• Created 10+ promotional tools annually, visual panels, and POP materials
• Introduced and merchandised 2–3 new or seasonal products per month
• Operated cashier and service counter functions, assisting 50–70 customers within 2–3 hours during peak times

Achievements

• Maintained smooth store operations during off-peak hours by independently performing tasks normally handled by a 3-person team
• Achieved zero stockouts for 6+ consecutive months through precise daily inventory control
• Improved sales by ~110% YoY in key product categories through product placement optimization
• Balanced high customer service quality and productivity with a lean staff structure