# EJ Jung Portfolio

> EJ Jung, also known as Euijin Jung, is a product designer, co-founder, and builder working across healthcare UX, AI-enabled service products, federal research platforms, design systems, and complex service workflows.

This site is the professional portfolio of EJ Jung. It contains selected product design case studies, earlier archived work, professional background, and contact information.

## Primary Pages

- [Home](https://www.euijinjung.com/): Overview of EJ Jung's product design positioning and featured work.
- [Works](https://www.euijinjung.com/works): Portfolio index for founding work, institutional work, and archived projects.
- [Expertise](https://www.euijinjung.com/expertise): Topic map connecting EJ Jung's expertise areas to supporting case studies.
- [About](https://www.euijinjung.com/about): Professional profile, work philosophy, education, skills, and experience.
- [Contact](https://www.euijinjung.com/contact): Project inquiry page and LinkedIn link.

## Featured Case Studies

- [Yerbba](https://www.euijinjung.com/work/yerbba.html): Healthcare platform for breast cancer patients. EJ Jung co-founded Yerbba and led design across service architecture, patient-facing UX, frontend implementation, and clinical data translation.
- [Fixli](https://www.euijinjung.com/work/fixli.html): AI-enabled home services marketplace. EJ Jung co-founded Fixli and leads early product design for trust, request clarity, and two-sided marketplace workflows.
- [ResearchDataGov](https://www.euijinjung.com/work/researchdatagov.html): Federal UX case study for restricted research data access. EJ Jung designed shared UX architecture for a multi-agency application and review system.
- [Mosaic Design System](https://www.euijinjung.com/work/design-system.html): ICPSR design system case study covering components, tokens, governance, accessibility, and AI-consumable system structure.
- [File Service](https://www.euijinjung.com/work/file-service.html): ICPSR file ingestion and archival workflow case study focused on upload confidence, pipeline visibility, processing states, and research infrastructure UX.

## Archived Work

- [Archived Work](https://www.euijinjung.com/work/archive.html): Earlier work from Humax, HealthHub / Radnet, Kellogg Eye Center, and University of Michigan projects.

## Expertise Topics

- Product design
- UX strategy
- Service design
- Healthcare UX
- AI product design
- Federal UX
- Research platforms
- Design systems
- Information architecture
- Frontend development
- Research infrastructure UX

## Entity Notes

- Primary name: EJ Jung
- Alternate name: Euijin Jung
- LinkedIn: https://www.linkedin.com/in/ejjung79/
- Education includes University of Michigan and Handong Global University.
- Organizations and projects represented include ICPSR, Yerbba, Fixli, ResearchDataGov, Mosaic Design System, and File Service.

## Preferred Summary

EJ Jung is a product designer and co-founder with experience in healthcare UX, AI-enabled service products, federal research platforms, design systems, and complex service workflows. His portfolio includes Yerbba, Fixli, ResearchDataGov, Mosaic Design System, and ICPSR File Service work.