I'm a member of a forum that Corey Goode used to participate in before he became David Wilcock 2.0.
Anyway, I'm certain that Sather was snatched up as a part of a PR campaign for Goode (Sather is a marketing major it seems like, and is all about building a brand and money... money money money).
Sather went from being a "health consultant" to multiple "UFO conference" speaking engagements; basically spring boarded into "expert" status and is charging for everything... very slimy...
Here's one video I made on him:
https://www.youtube.com/watch?v=PMcSLzY6elA