01Experience
2013 – Present
06/2025 – PresentSanta Clara, CA
Freelance UX Designer (Contract) · Self-employed
- Leading end-to-end UX for HealthTap’s contract-based design initiatives, focusing on clinical efficiency.
- Redesigned the prescription renewal flow for physicians, reducing completion time by ~90%.
02/2023 – 06/2025Santa Clara, CA
Lead UX Designer · LG Electronics USA
- Led UX design for a computer vision–based patient monitoring system, resulting in a 23% reduction in patient falls during pilot testing in a hospital.
- Delivered a Proof of Concept (PoC) for a persona-driven AI assistant and a generative AI music generator.
- Facilitated cross-functional design sprints to align Telehealth product vision and roadmap priorities.
- Managed 2-week design sprints in Agile cycles with product management and engineering to ensure rapid, high-quality delivery.
01/2022 – 10/2022Oakland, CA
Senior Product Designer · Roofstock
- Led user research to identify high-impact features, informing the product roadmap during a critical growth phase.
- Developed core components for a new design system, ensuring cross-platform scalability and consistency.
04/2021 – 12/2021
Career break · Family responsibilities, Seoul
09/2016 – 03/2021Mountain View, CA
Senior Product Designer · HealthTap
- Led end-to-end design of HealthTap Virtual Primary Care, resulting in 3× subscription retention, +25% NPS and over 90% positive visit ratings.
- Designed a doctor-facing practice management system that improved physician efficiency and care delivery.
- Led the creation and adoption of HealthTap’s Design Language System with 3 product designers and a lead engineer, significantly increasing productivity for design and engineering teams.
02/2016 – 09/2016Mountain View, CA
Senior UX Web Designer · Kidaptive
- Conducted user interviews to identify current challenges and user needs in the Hodoo English app.
- Delivered the first-time user experience for the Hodoo English app, including sign-up and subscription flows.
01/2013 – 02/2016San Francisco, CA
Interaction Designer · Fandom
- Created a power-user dashboard that improved overall wiki content quality by 12%.
- Redesigned the video product module, contributing to a 32% increase in video revenue through iterative A/B testing.
02Skills
- Design practice
- Product Design· UI Design· UX Strategy· Interaction Design· Information Architecture· Wireframing· Animated Prototyping· Design Systems· Design Tokens· Typography· Graphic Design· Iconography
- User research
- User Interviews· Usability Testing· A/B Testing· Journey Mapping· Competitive Analysis
- Collaboration
- Cross-Functional Leadership· Agile / Sprint Planning· Design Critiques· Design Process
- Tools
- Figma· Sketch· Adobe Creative Suite
03Education
Bachelor’s Degree in Graphic Design · Seoul National University Seoul, South Korea
