Zack Arias is a fantastic photographer. In this 16 minute video he demonstrates how he uses light modifiers.
There is a very detailed write up of this video here: http://dedpxl.com/four-different-modifiers/
Gina Milicia is one of Australia’s best celebrity photographers. In this video Gina shares what she has learned about what it takes to make it in the photography business.
Another great video with the legendary Steve McCurry.
I just discovered Jimmy Chin. He's a rad adventure/participatory photographer. Video above via mashable: http://mashable.com/2014/11/11/jimmy-chin-climbing-photos/
Here's another video portrait about him:
Check out his website and some of his work.
An amazing photographer and an amazing story.