I'm Harry Chang. I build safety systems for language models, take photographs on a camera with no screen, and argue for positions I'm not sure I believe in.
Incoming at NTU CSIE this fall. I work across research, photography, debate, and the occasional film — whichever one the day needs.
None of it is as separate as it looks. Every page here connects to another; if you'd rather see the whole shape at once, there's a graph for that.
2023 - Present
2024 - Present
Talks on RAG (SITCON 2025) and prompt injection (2026). Taught jailbreaking at AIS3 and ML at SITCON Camp.
2023 - Present
From an NSTC-awarded RAG system to portfolio sites and an enterprise ops modernization.
2020 - Present
Open Semifinalist at the Taiwan International Debate Open (2026). Champion at the Fushing Debate Open (2025).
2022 - Present
DaVinci Resolve editor with experience ranging from montages and educational videos for AAAI to music videos.