Kexin Cha Kexin Cha Ask me to detangle a g o o o o o o o o o o d mess. I’m good at it. Experience Design partner Independent, 2025 — now Founder applyjobs.club, 2026 — now Sr. product designer Stanford Medicine, 2020 — 2026 Product designer building data-heavy, AI-native products from zero to one. award-winning Nature I’ve led and shipped design work, and my research has been published in . Book a call Book a call Email me Email me Links Resume Resume LinkedIn LinkedIn X X Substack Substack Tools Lovable Build software products, using only a chat interface. 01 Stanford Data Ocean — Teaching data science to 5,000+ beginners Read case study Read case study Founding product designer 2022 — 2026 Zero-to-one product design, instructional design, AI 51% graduation vs. typical 5–15% 02 applyjobs.club — An AI agent you can see, check and steer Read case study Read case study Founder 2026 — now Zero-to-one product design & engineering, AI agents 3% → 37% interview conversion rate Try applyjobs.club ↗ Try applyjobs.club ↗ 03 My Personal Health Dashboard — Wearable data for a COVID-detection research study Read case study Read case study Sole designer 2020 — 2023 Zero-to-one product design 4× usable wearable data vs. before redesign 04 Zettel — A Zettelkasten note-taking coach in your pocket Founding product designer 2026 Zero-to-one product design & engineering, AI agents TestFlight next. Case study on prototype WIP. Want to try the TestFlight beta? Request invite Writing I’m a tired designer, not a cynical one. Substack · Sep 2026 ↗ Seeing the trains move: a talk with the solo builder of AP Transit Substack · Jul 2026 ↗ The AI wearable concept Google I/O made me want to build Substack · Jun 2026 ↗ Who stays. Who leaves. Substack · Jun 2026 ↗ You shipped the work, and you're onto the next thing already? Substack · Apr 2026 ↗ More on Substack ↗ More on Substack ↗ Illustration & graphics Hand-drawn explainer art and journal covers for Stanford Medicine, Cell Press and Chai & AI. 32 pieces, 2020–2024. Work Writing Book a call Book a call Got a goood mess? Book a 30-minute call and we’ll find the thread together. Book a call Book a call Email me Email me Resume Resume LinkedIn LinkedIn X X Substack Substack © 2026 Kexin Cha · notKevin.design