I live in Israel and produce tutorials in Hebrew on Youtube and in English on Udemy.
My Youtube channel have 3600+ Subscribers and contains many video tutorials like:
-How to use Premiere pro
-How to Screencast with ScreenFlow and more..
I've been using Premiere Pro for more than 4 years now to edit home movies, videos for Youtube and other projects
I've been using ScreenFlow for more than 3 years and teach how to use it.