# Junghyun Choy

> Product Designer and Researcher | HCI @ Carnegie Mellon

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/junghyun

As a strategic product designer, I break down complex problems and design simple solutions. Currently looking for full-time product design roles. Feel free to reach out at juchoy99@gmail.com, and view my portfolio at the link below.

Portfolio: https://www.jchoy.me/

## Work Experience
### Product Designer @ PlanSoft
Jan 2026 – Present

### Researcher and Designer @ CMU Human-Computer Interaction Institute
Jan 2023 – Jan 2025
Designed and tested an in-game player value system that encourages prosocial and healthier player interactions within the competitive mode of League of Legends.

Improved gaming behaviors in 60% of participants in a longitudinal study with 40 participants; drove participant recruitment and conducted weekly remote user interviews.

### Lead UX/UI Designer (Contract) @ Philips
Jan 2024 – Jan 2024
Sponsor for Carnegie Mellon CSL Project.

Provided design recommendations to improve customer experience for B2B customers in the medical device sector.

### Product Designer (Contract) @ Honda Research Institute USA, Inc.
Jan 2024 – Jan 2024
Led research and design for Aether, an AI enterprise research application; drove HRI’s vision of pioneering AI and mobility research by working with researchers and leadership on initiative to expand research practices.

Created Aether design system, including component library, visual style guide, and design documentation.

Streamlined workflows for research scientists across 3 global regions; conducted usability testing to iteratively design Aether features for AI-assisted literature review and study proposal drafting.

### Design Researcher @ ICSI - International Computer Science Institute
Jan 2020 – Jan 2023 | Berkeley, California, United States

### Product Designer @ Berkeleytime
Jan 2020 – Jan 2021
Worked with design, engineering, PM to design and launch Berkeleytime Scheduler MVP.

### User Experience Intern @ Integem Inc.
Jan 2019 – Jan 2019 | Cupertino, CA

### Graphic Design and UI/UX Intern @ Starbutter AI
Jan 2018 – Jan 2019 | Berkeley, CA


## Education
### Master's degree in Human Computer Interaction
Carnegie Mellon University

### Bachelor's degree in Cognitive Science, Certificate in Design Innovation
University of California, Berkeley


## Contact & Social
- LinkedIn: https://linkedin.com/in/junghyun-choy
- Portfolio: https://www.jchoy.me/

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Source: https://flows.cv/junghyun
JSON Resume: https://flows.cv/junghyun/resume.json
Last updated: 2026-04-13