eBay · Senior Product Manager
eBay Explore
An endless, algorithmic feed of item recommendations, personalized to who you are and what you like.
Senior Product Manager at eBay, building AI-driven personalization for shopping. Before that: Twitter Shopping, Twitter Growth, and Google's APM program.
Consumer products I've taken from zero to one at eBay, Twitter and Google, plus the engineering that came before.
Essays, ideas and notes from my Substack.
Coverage of launches I've worked on, from TechCrunch to The Verge, and a home for interviews, podcasts and talks.
Side projects, experiments and little tools I build for the joy of it.
As a Product Manager, David brings expertise in AI-driven personalization for shopping from eBay and experience in social commerce and growth from working on consumer product at Twitter.
He has a successful track record of getting 0-to-1 products off the ground by listening to customer needs and forming data-driven hypotheses that unlock Product Market Fit.
Most of all, David enjoys rallying xfn teams of passionate engineers, designers, and researchers around our customers, which have included everyday people, businesses, and advertisers.
David has a B.S. in Computer Science from Washington University in Saint Louis, where he was classically trained as a software engineer.
eBay · Senior Product Manager
An endless, algorithmic feed of item recommendations, personalized to who you are and what you like.
Twitter · First PM, Shopping
Launched Twitter Shops, Live Shopping, Shoppable Profiles and Product Drops, and grew the merchant base from 0 to 10,000 in under a year.
Twitter · PM, Growth Acquisition
Drove a +20 million increase in DAUs through easier logins and signups, and by bringing Tweets to Instagram Stories and Snapchat.
Google · Associate Product Manager
A new experience that showcases major ChromeOS updates on all Chromebooks and in the Chrome browser.
Google · Software Engineer
A visualization tool that lets customers diagnose problems and monitor activity across entire fleets of IoT devices.
NASA · Engineer
A Bluetooth-based tracking system for NASA assets, prototyping package tracking on Earth with potential space applications. Earned $200,000 in funding from NASA Director Ellen Ochoa.
NASA · Engineer
Augmented reality tools that visualize 3D terrain models from Earth and Mars, built while working for NASA during the school year.
A free screen recorder for Mac with automatic zooms, a smooth cursor and beautiful backgrounds.
Watch what Claude Code and Codex are doing and thinking, live, in your browser.
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