Piton
A climbing tracker for Apple Watch and iPhone that I built for myself. It keeps the failed attempts most apps throw away, shows how it detects each climb, and never tries to coach you.
Field Notes
Things I’ve built on my own time, usually to chase down a question I couldn’t let go of.
A climbing tracker for Apple Watch and iPhone that I built for myself. It keeps the failed attempts most apps throw away, shows how it detects each climb, and never tries to coach you.
Ambient awareness for the physical world, like Dark Sky but for experiences worth leaving the house for. The trick is computing the AI once per region instead of once per visitor.
An AI trading agent for Kalshi’s prediction markets. Five weeks of building, and an honest post-mortem on what worked, what broke, and why I shelved it before risking real money.
Work
Work across hardware, software, and AI, newest first. I’m at HP now; before that, Apple and Specialized.

From a team of two to 8M+ devices, an acquisition, and AI in production.

A selection of public patents spanning Siri integration in iMessage and videoconferencing safety systems.

Music, News, WWDC, and iMessage, still shipping to hundreds of millions.

Built the Apple Human Interface Guidelines site and organized content with the Evangelism team for iOS, macOS, watchOS, and tvOS.

The WWDC17 site, designed and built alongside Apple’s Marcom team and the artist Geoff McFetridge.

A creative briefing, staffing, and project-management tool I designed and helped build for the iTunes Marketing team.

The Apple News Spotlight email, curated editorial delivered to millions of subscribers every Saturday morning.

Brand identity for Apple’s global radio launch: stations, hosts, iconography, and a Times Square billboard.

Redesigned iAd Workbench and contributed to new features.
Created the iAd Workbench icon set.

Designed the overall experience and managed creative direction on a tight timeline.

Designed and built digital retail experiences for Specialized stores.