From the intro video:

All three roles are hired and evaluated by ad-hoc panels of randomly selected members, following standard hiring best practices and job review guidelines.

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/31db8473-3c92-4af0-b39f-e4bb4c08be8f/Hiring_Evaluation_Panel_1.png

This page is a work in progress, currently in the jot notes stage