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.