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Harry Chang
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Chang Chi-Wei

Taipei, Taiwan—harrychang.me—chiwei@harrychang.me
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01

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.

02

Education

National Taiwan University (NTU)

Expected Jun 2030

B.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 2026

High 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 2023

Bilingual Program Graduate

  • Robofest 2022 Unknown Mission — 1st Place Worldwide (VEX IQ)
  • Debate Team · School Choir · Game Development (Unity)
03

Research & Development

AI Research Intern

Sep 2025 – Present

CyCraft 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 – Present

Chingshin 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 – Present

LLM 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 2025

Chingshin 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
04

Leadership & Design

Vice President & Design Lead

Aug 2023 – Jan 2025

Student 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 – Present

VEX 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 – Present

School Productions & Events

  • Directed, filmed, and edited 10+ major school videos (DaVinci Resolve)
  • Lead volunteer photographer for 30+ school events

Debater & Public Speaker

Sep 2020 – Present

Chingshin 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
05

Publications

FORTRESS: Fast, Tuning-Free Retrieval Ensemble for Scalable LLM Safety

July 2025

Chi-Wei Chang, et al. — Transactions on Machine Learning Research (TMLR)

PATCH Dataset: Empowering Traditional Chinese Safety Classifiers for Lightweight LLM

February 2026

Chi-Wei Chang, et al. — ISCSLP 2026; earlier version presented at EACL 2026 SRW

06

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
07

Skills

AI & MLLLMs · RAG · NLP · CNN · Transformers · Adversarial Training · Fine-tuning (PEFT) · PyTorch · NumPy
DevelopmentPython · C++ · JavaScript (Next.js, Svelte, TypeScript) · SQL · Git · REST APIs · Docker
DesignDaVinci Resolve · Adobe Suite · Affinity Suite · Figma · Blender · Photography · Videography
LanguagesMandarin (Native) · English (IELTS 8.5)
OtherPublic Speaking · Leadership · Debate · Event Management · Research & Academic Writing
Chang Chi-Wei · Curriculum Vitae · September 2026
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Harry Chang/Chi-Wei Chang 張祺煒 LogoHarry Chang/Chi-Wei Chang 張祺煒

Building highways when lanes feel too narrow. Sometimes it's sharp, sometimes it's f/1.5 blur.

Curious? So am I. — chiwei@harrychang.me

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