Chang Chi-Wei
Summary
NTU CSIE freshman researching LLM safety, with work spanning software and design. First-authored FORTRESS (TMLR) and the PATCH dataset (ISCSLP 2026), built an award-winning RAG system recognized by Taiwan's NSTC, spoke at SITCON (2025, 2026), and taught at AIS3 and SITCON Camp 2026. Currently the youngest research intern at CyCraft Technology, working on attention-based attack taxonomies. IELTS 8.5; fluent Mandarin and English.
Education
National Taiwan University (NTU)
Expected Jun 2030B.S. in Computer Science and Information Engineering
- Admission via Special Talent Selection
- Rank 1 · Total Score 91.25 · Interview Score 95
Chingshin Academy
Graduated Jun 2026High School
- Mayor's Award for Distinguished Performance
- Awarded the Harvard Prize Book
- GPA: 4.00 / 4.30 (Rank 4 / Year)
- APCS: 4/4 · IELTS 8.5 · TOEIC 965
- Harvard Crimson Quiz Bowl 2025 (CS): Global 2nd Place · Individual Champion (Taiwan)
Chingshin Middle School
Graduated Jun 2023Bilingual Program Graduate
- Robofest 2022 Unknown Mission — 1st Place Worldwide (VEX IQ)
- Debate Team · School Choir · Game Development (Unity)
Research & Development
AI Research Intern
Sep 2025 – PresentCyCraft Technology
- Youngest intern; personally invited by the Security Research Director
- Researching divergence between model safety and interpretability in LLM systems
Lead AI Researcher & Developer
Apr 2024 – PresentChingshin RAGi — GenAI Stars 1st Prize Winner
- Won 1st Prize at the NSTC GenAI Stars Competition (Oct 2024)
- Engineered a custom RAG system for school AI communication tool
- Built backend (Python, SQLite, hybrid BM25/ANN) and frontend (Svelte) from scratch
AI Researcher
Sep 2023 – PresentLLM Safety & Applications, advised by Prof. Tzong-Han Tsai (NCU)
- First-authored FORTRESS (TMLR) and PATCH Dataset (ISCSLP 2026)
- Created educational AI video on LLM safety, selected for AAAI 2025
- Delivered 40-minute talk on RAG technology at SITCON 2025 and 2026
- Designed and taught a hands-on LLM jailbreak attack & defense lab at AIS3 2026
- Taught ML course at SITCON Camp 2026 on interactive stations (in-browser ONNX, GPU-served Qwen)
- Built CNN CAPTCHA solver (100% accuracy) and Transformer trading model
Core Member, AI Research Programs
Sep 2022 – Dec 2025Chingshin Academy & AIGO Program (MODA)
- Self-studied advanced AI; delivered weekly research presentations
- AIGO: Overall Excellence Award (2024) · Outstanding Performance Award (2025)
- Led winning hackathon team; delivered closing ceremony speech
- Invited opening speaker at AI WAVE SHOW 2025
Leadership & Design
Vice President & Design Lead
Aug 2023 – Jan 2025Student Council — Chingshin Academy
- Spearheaded branding, graphic design, and merchandise for school-wide events
- Created key visual identity for the school's 73rd anniversary main stage
Lead Programmer & Multimedia Lead
Sep 2022 – PresentVEX Robotics — Chingshin Academy
- Led C++ programming with OOP principles; mentored new members
- Designed team apparel; documented journey through videography and photography
Director, Editor & Photographer
Sep 2022 – PresentSchool Productions & Events
- Directed, filmed, and edited 10+ major school videos (DaVinci Resolve)
- Lead volunteer photographer for 30+ school events
Debater & Public Speaker
Sep 2020 – PresentChingshin Academy & Various Platforms
- Open Semifinalist & 6th Overall Best Speaker, Taiwan International Debate Open (2026)
- Champion & Overall 3rd Best Speaker, Fushing Debate Open (2025)
- Semi-Finalist, Taiwan Schools Debating Championships (2023, 2024)
- National 5th Place, Young Diplomats Program (MOFA, 2023)
- Lead Host, 2024 International PBL & Digital Teaching Forum
Publications
FORTRESS: Fast, Tuning-Free Retrieval Ensemble for Scalable LLM Safety
July 2025Chi-Wei Chang, et al. — Transactions on Machine Learning Research (TMLR)
PATCH Dataset: Empowering Traditional Chinese Safety Classifiers for Lightweight LLM
February 2026Chi-Wei Chang, et al. — ISCSLP 2026; earlier version presented at EACL 2026 SRW
Selected Projects
Personal Portfolio Website
2025 – Present- Next.js 15 / React 19 Turborepo; force-directed knowledge graph (D3 + Canvas), Markdown CMS, and i18n
- Sustained 100 Real Experience Score under 4,000+ single-day visitors; Lighthouse 93–100 across all 12 audited routes
Kidstuff Operations Modernization
Apr 2026 – Present- Solo contractor for a 110K-member private-community group-buy e-commerce operation
- Led employee discovery and phased proposal; shipped 6 Chrome MV3 automation workflows to production
- 789 audited runs, 22,256 records auto-processed, 632 hours run unattended (Apr–Aug 2026)
- Built tailnet telemetry dashboard, lease-based worker dispatch, and ERP sync mirroring 503K records