Helped it spin out of Odeo, was CEO for a while, still a member of the board
Co-founder, was first CEO, then wasn't, now is again CEO, helped define the product, and now Chairman
Web developer: search, new user experience, World Cup, timelines, Tweet anatomy, media, owns web experiments
Built up analytics.twitter.com, Tweet Activity, Quick Promote
Developer & partner support for REST, Streaming, web, and Ads APIs. Product management for dev.clever.com.
Helped with product management. Tried not to screw it up too badly.
OAuth implementation, Translation Tool (retired), Translation Center, twitter-text libraries (linking usernames, hashtags and URLs)
Original founder, named twitter, designed first interfaces and logos.
Incident Management, Search, Engineering lead for moving between datacenters, Workflow/Queue Management, Scaling, Reliability
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