Youngjun Choi · 최영준

BSc Data Science, University College London (UCL)

I am a second-year Data Science undergraduate at University College London (UCL), where I achieved First Class results in my first year.

My research interests include bandit algorithms, sequential decision-making, optimization, multi-agent systems, and quantitative finance, with a particular interest in agent-based modelling of financial markets.

Experience

Sogang University Jun 2026 – Oct 2026
Undergraduate AI Researcher

Conducted research on reinforcement learning for smart order routing in partially observable and non-stationary financial markets, focusing on adaptive order allocation across lit and dark venues under latent market regime changes.

Shin & Kim LLC (Law Firm) / 법무법인 세종 Jun 2026 – Jul 2026
Summer Law Clerk · Seoul

Researched AI sovereignty and AI regulation across the US, EU, and South Korea. Completed attorney training in secured lending, cross-border financing, M&A, and international tax.

Republic of Korea Army (The 3rd Infantry Division) Jan 2022 – Jul 2023
Sergeant – Electronic Surveillance Equipment Maintenance

Publications

What and When to Adapt: Test-Time Adaptation for Smart Order Routing AAMAS 2027
Seungeon Baek, Youngjun Choi, Sungwook Kim†
Under review

Projects

Document Reader QA Bot (RAG) 2025
Python · LangChain · ChromaDB
Metro Network Simulator 2025
Python · graph algorithms · simulation modelling
Memory-Efficient Text Analysis 2025
Python · NLP preprocessing
Mathematics Concept Book 2018
School-use publication

Education

University College London (UCL) 2025 – 2028
BSc Data Science · London

Achieved First Class in Year 1 (2025–2026).

University College London (UCL) 2024 – 2025
Undergraduate Preparatory Certificate for Science & Engineering · London

Mathematics & Biology track: A*A*A*A* (Pass with Distinction)
A-level equivalent

Dankook University High School 2016 – 2019
Science track · Seoul

Contact

Full CV available on request.