A product designer with 10+ years of experience, currently in 🇬🇧 London. I’m working at Toss Bank a leading digital bank in Korea, and have contributed to various startups across fintech, e-commerce, B2B SaaS, and a career platform as a co-founder. As an open-minded doer with a why-first mindset, I specialize in rapid iteration to identify user needs and create impactful solutions that align with business goals.





User-Centered ImpactEnhancing user experience and business metrics.

Agile ExecutionDriving rapid iteration in fast-paced environments.

Strategic ThinkingTransforming data-driven insights into actionable strategies.

















Designing and Scaling
a Multi-Currency Account





Nov 2023 – Jan 2024

0-to-1 Design of
a Multi-Currency Account

Competitor Analysis User Interview Usability Testing Value Proposition Design Strategy






Feb 2024

Boosting Multi-Currency
Debit Card Users

User Interview Completion Rate Analysis User Feedback
A/B Testing Before-and-After Analysis







Encouraging Interest-Only Repayment



May 2023
Encouraging the Switch to
Interest-Only Repayment for Existing Loans

Rapid Iteration Drop-Off Rate Analysis User Surveys
User Interviews A/B Testing

 


Sep 2023
Promoting Interest-Only Repayment
During Loan Application

High-Impact Results User Interview A/B Testing