UCSF
(Abbasi Lab)

Undergraduate
Researcher

Sep 2026 / Present

Building an LLM-based EHR summarization pipeline at UCSF — auditing retrieval over 2M+ synthetic clinical records and designing a claim-level grounding evaluation to reduce hallucination.

SmartMind
AI

Data
Scientist

May 2026 / Aug 2026

Led a natural-language-to-SQL pipeline on a live enterprise ERP — replacing pass/fail tests with multi-trial measurement and tracing silent failures back to the Neo4j ontology behind it.

Urban
Conga

UX Design
Consultant

Jan 2026 / Jun 2026

Ideated an interactive public installation system to capture and interpret usage patterns, improving behavioral visibility constraints.

Mozilla
Firefox

IT
Consultant

Aug 2025 / Feb 2026

Built a React + Vite performance extension tracking 50+ tabs in real time. Ran user research, translated findings into Figma UI, shipped with a 12-person team.

Asan
Medical

AI
Researcher

May 2025 / Aug 2025

Fine-tuned 3D U-Net and ResNet3D models for medical imaging and a multimodal survival model for liver cancer, validated with SHAP and Grad-CAM. Placed 7th in the VLM3D challenge.

Braven

UI/UX
Consultant

Jan 2025 / May 2025

Synthesized survey, benchmarking, and affinity data for Braven with a team of 8 — driving the mobile app iterations that lifted engagement and usability.

Biosolution

Research
Intern

May 2024 / Aug 2024

Designed microRNA assays — PCR, FACS, HPLC — to characterize osteoarthritis targets. Ran cell culture and in-vivo testing; supported the CAR T-cell program.

US 8th
Army

Non-Commissioned
Officer

Sep 2022 / Mar 2024

Led a bilingual 40-soldier platoon. Translated and delivered ACFT training to a 96% pass rate. Awarded the US Army Certificate of Achievement.

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© 2026 Junho Choi