Who are some of the most valuable freelance / agency people to follow?

almost 2 years ago from , Creator at Folyo

I run a membership site for freelancers and agencies that helps find outbound leads (it's called Folyo). Since I focus on a specific area, I'm looking for other good resources to recommend that touch on other topics.

Some of my current favorites are:

Also been checking out:

Wondering if there's anyone else I should check out?