John Hennessy
Chief Design Officer (CDO) at Lightning AI
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Hennessy is a design and product leader with 6 years in senior tech roles and two decades of broader creative practice, currently serving as Chief Design Officer at Lightning AI in New York. He has scaled design organizations and led product strategy across consumer and internal tools at companies including Meta and Bonobos, blending hands-on UX craft with organizational design. As a founder of CryptoCare.tech and an early board member of a contemporary arts nonprofit, he pairs product innovation with social impact and cultural stewardship. His work spans enterprise tooling, consumer apps, and experimental blockchain UX—often focusing on interoperability and developer-friendly design like his Meta redesign of Jupyter Notebooks. Known for a bold, storytelling-driven approach (his GitHub bio reads “Half man, half lion”), he brings creative risk-taking to pragmatic, metric-driven outcomes. Educated in technical communication with advanced UX and management certificates, he thrives at the intersection of design, product, and emergent technology.
6 years of coding experience
12 years of employment as a software developer
Certificate, Advanced UX, Certificate, Advanced UX at NYU School of Professional StudiesCertificate, UX Management, Certificate, UX Management at Nielsen Norman GroupB.S., Technical + Scientific Communication, B.S., Technical + Scientific Communication at James Madison University
Github Skills (22)
artificial-intelligence10
pretrain10
large-language-models10
ai10
data-science9
fastapi9
pytorch9
python9
llm-inference9
llm9
machine-learning9
api9
deep-learning9
developer-tools9
rest-api9
Programming languages (3)
Github contributions (5)
likethecognac/images
Aug 2022 - Dec 2025
Contributions:13 pushes, 1 branch in 3 years 4 months
Lightning-AI/LitServe
Feb 2024 - Aug 2024
A minimal Python framework for building custom AI inference servers with full control over logic, batching, and scaling.
Contributions:1 PR, 1 branch in 6 months
aiinferencepythonapiserving
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