He was a core member of the app engine team, wrote ndb[1] (the next generation datamodel library for their schema-less datastore), wrote the code review web app

He was a core member of the app engine team, wrote ndb[1] (the next generation datamodel library for their schema-less datastore), wrote the code review web app tool that was awesome, and a bunch of python infrastructure AFAIK. [1] https://developers.google.com/appengine/docs/python/ndb/ https://developers.google.com/appengine/docs/python/ndb/