Toss Securities is one of Korea’s fastest-growing investing services and has achieved number one status in overseas stock trading volume.

• Shaped trust-centered investment systems across account and onboarding flows, translating regulatory complexity into intuitive financial experiences.

SPC Group is a major food and beverage conglomerate in Korea with over 1,800 franchise stores across more than 30 brands including Baskin Robbins, Dunkin, and Shake Shack.

• Redesigned fragmented membership and payment journeys into a unified wallet system across 30+ brand touchpoints.

• Translated behavioral and conversion data into simplified tier and rewards experiences that improved activation.

• Reduced friction in partner point discovery by restructuring information architecture based on user research and log data.

• Improved card registration conversion through end-to-end flow optimization.

Kakao is a major tech platform with more than 130 million users across digital products, including messaging, fintech, commerce and mobility.

• Designed a chat-based routine assistant driving habit formation within messaging environments.

• Contributed to a patented initiative linking user behavior to long-term business value.

• Ranked in the top 0.005% among 10,000+ applicants.

FRUM is a strategy-led design studio collaborating with enterprise partners to build scalable digital services and cohesive brand experiences.

• Led end-to-end redesign of SK hynix’s campus reservation system, improving usability across a large-scale corporate environment.

• Designed a data-informed digital test drive experience for Volkswagen, aligning brand storytelling with measurable user engagement.

• Developed global web concepts and digital content frameworks for Hyundai Motor Group.