I don't think it's needed to be honest,unless the course is specifically about the body language,facial expressions,etc. I like PluralSight approach: a small pr

I don't think it's needed to be honest,unless the course is specifically about the body language,facial expressions,etc. I like PluralSight approach: a small profile photo on the intro slide, that's it. I don't care how the guy looks, all I want is the knowledge.