About
Results-driven Product Designer with 7 years of experience specializing in SaaS and complex systems, adept at shaping exceptional end-to-end UX while strategically balancing user needs with business objectives. Proven ability to simplify complexity through in-depth UX research, rapid prototyping, and the implementation of robust design systems to drive impactful product development and achieve measurable business outcomes.
Work
Freelance
|Product Designer
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Summary
Designs and optimizes digital products across diverse industries, focusing on enhancing user experience and driving business growth through strategic UX research and design.
Highlights
Boosted onboarding completion by 40% (from 50% to 70%) for cross-platform workflows through usability testing, significantly reducing friction and time-to-value.
Increased trial-to-paid conversion rate and achieved a 40% Sean Ellis Score by optimizing multi-party payment flows through rapid prototyping and journey mapping.
Consolidated 4 internal dashboards into one unified system, enhancing usability and reducing task completion time through intuitive information architecture and scalable enterprise design.
Reduced design-to-development cycle by 40% on a B2B SaaS platform by implementing Chakra UI components, ensuring design consistency and streamlining developer handoff.
NTT Communications
|UX Specialist
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Summary
Spearheaded UX initiatives for a Fortune 500 enterprise, driving product innovation and user experience improvements across high-traffic platforms.
Highlights
Shaped a patent-winning concept (JP 2024-113338) by leading generative research, facilitating cross-functional workshops, and concept testing from ideation to validation.
Redesigned a high-traffic enterprise index page (2.3M monthly visits), achieving a 5% CTR lift through rapid UX research and comprehensive journey mapping.
Improved usability and reduced task completion for a B2B SaaS by conducting cognitive walkthroughs and applying Nielsen's heuristics with cross-functional stakeholders.
Defined the MVP for an internal knowledge-sharing platform by conducting 12 user interviews, developing 5 archetypes, and facilitating workshops for feature prioritization.
Makuake
|Product Designer / Product Owner
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Summary
Led product design and ownership for a crowdfunding platform with over 3 million users, focusing on enhancing discoverability, retention, and strategic UX initiatives.
Highlights
Improved item discoverability by leading end-to-end product design and execution for a tag-based personalization feature on mobile applications.
Drove weekly retention by designing a user-centric landing page, collaborating with marketing to align messaging and enhance user experience.
Founded and established the first UX research practice, synthesizing 80+ interviews, A/B tests, and surveys to achieve a 5% increase in Monthly Active Users (MAU).
Led 15-member Scrum teams, collaborating cross-functionally to prioritize backlogs, facilitate sprint ceremonies, and deliver high-impact UX enhancements on schedule.
Education
University of Hosei
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B.A.
Psychology
Certificates
Certificate in Human-Centered Inclusive Design
Issued By
University of Toronto
Certified Scrum Product Owner (CSPO)
Issued By
Scrum Alliance
Skills
Research
User Interviews, Usability Testing, A/B Testing, Surveys, Concept Testing, Contextual Inquiry.
Design
Information Architecture (IA), User Flows, Journey Mapping, Wireframes, Mockups, Prototyping, Interaction Design, Design Systems.
Collaboration
Workshop Facilitation, Stakeholder Alignment, Storytelling, Agile Teams.
Tools
Figma, Figjam, Miro, Dovetail, Lookback, Notion, Jira, Confluence, Adobe CC, Microsoft 365, ChatGPT.