Core team members and knowledgeable people to follow
Miško Hevery: http://misko.hevery.com/about/
The 'Father' of AngularJS.
Brad Green: https://twitter.com/bradlygreen
He is the Project Manager at AngularJS. He has written a book on the technology and tweets interesting news based on Angular.
Igor Minar: https://github.com/IgorMinar
He is one of the core group members and has a very good collection of GitHub repositories of apps built on Angular.
Vojta Jina: https://github.com/vojtajina
He is another core group member who has worked extensively on Unit Testing frameworks for Angular.
James deBoer: https://plus.google.com/116361169772404573567/posts
He is part of the core team that works on AngularDart.
Dan Wahlin: https://twitter.com/DanWahlin
He is a strong proponent of Angular JS, who has worked on numerous tutorials and blogs, and has been conducting training sessions on AngularJS and other frontend technologies.
Caitlin Potter: https://twitter.com/caitp88
She is an active contributor to the AngularJS project.
Pete Bacon Darwin: https://twitter.com/petebd
He helps people to solve their problems in AngularJS.