Note: Case studies for major product launches are currently being finalized for portfolio; comprehensive deep-dives available for live presentation.

• Led UX strategy for Rakuten Music within a global ecosystem serving 100M+ users in Japan and 1.9B+ globally

• Contributed to subscriber growth by aligning user needs with complex business and subscription models

• Drove new subscription plan launches, increasing user base

• Led end-to-end redesign across web and mobile, improving usability and retention

• Redefined target users and product positioning to improve paid conversion

• Leveraged behavioral data and A/B testing to drive engagement and conversion improvements

• Designed retention mechanisms including a loyalty ranking system to reduce churn

• Built and scaled a design system to improve consistency and team efficiency

• Influenced executive-level decisions through data-informed UX strategy

• Aligned cross-functional stakeholders across Legal, Marketing, and Engineering

• Mentored designers and improved overall team output and design quality

A Japan-based creative agency specializing in digital promotion and interactive web experiences for consumer products.

Designed and developed promotional websites for new consumer product launches.

Responsible for UI design, page structure, visual production, and front-end implementation using HTML, CSS, and JavaScript, collaborating with planners and engineers to deliver engaging web experiences.