2026
20:23:20 UTC

Hi! I'm Kayna, a product designer living in Manhattan, also a sophomore studying Cognitive Science and minor in Econ & Poli Sci at Barnard College of Columbia University.
At the most time, I'm doing design stuffs. Design is not only about design in AI era. I helped teams to solve problems under ambiguous environment and help humans better fitting with AI.
PS: click the video to view more

HeyGen
At HeyGen, the AI video startup backed by Benchmark, I co-designed the core web product. I solve UX problems in ambiguous environments with speed and precision, while deepening my expertise in AI product strategy and aligning business objectives with user pain points.
Co-workers: Nick Allen, Wayne, Molly Knight, Alex Flores, Manuella Odell
PC
UI/UX
I also co-designed the mobile product, streamlining the UX through a clean, intuitive interface, and witnessed it from 3-month y/o to surpass several ARR milestones.
Co-worker: Tiffany
iOS
UI/UX
1x and Baikinman
After seeing the design of the explicit Chain of Thinking for AI, I have launched an independent project focused on Human-AI Fitting designs, focused on the safe communications between users and AI.
Research
UI/UX
Engineering
Building

Columbia HCI Review
This year, I founded Columbia HCI Review, the first undergrads-led HCI publication in the US. I built the website with vibe coding tools and UX from scratch.
Co-worker: Eason( Database)
Responsive Design
UI/UX
Engineering
Contents
side projects & Writings
Please feel free to talk!
kh3443@barnard.edu or kh3443@columbia.edu
