Hayden is a Member of Technical Staff at OpenAI. Previously, he worked on developer experience at Vercel, creating open-source tools including Streamdown and AI Elements and helping ship Chat SDK. His earlier work includes leading product at Corellium and founding Jellypepper, a digital agency.
Member of Technical Staff
Works on OpenAI’s products and platforms.
DX Engineer
Created Streamdown, AI Elements, Remend, Tersa, OpenReview, Vectr and npm.bet; contributed to Chat SDK, Platforms, Workflow Builder, Academy and components.build.
Started the frontend engineering team, then led Product, Design and Support. Helped the company grow from seed to Series A and subsequent acquisition by Cellebrite.
Director
Founded and ran an award-winning digital agency serving startups and larger companies. The agency was acquired by Raw Studio.
Collaborated with cross-functional R/GA teams globally for clients including Nike, Snap, Toyota, Timberland, Australian Ethical and Google.
Head of Product and Design
Led product and design at the Australian superannuation fund; the company was later acquired by eToro.
Designed an anti-fraud pilot platform featuring node-based graphing, time-based visualization and data exploration interfaces.
Product Designer and Front-End Developer
Automation Engineer
Bachelor's studies in software
