Actors know that: Since the turn of the century, they’ve been trained to do exactly that. Being onstage, in the spotlight, in front of a bunch of people who might judge you…that’s an incredibly vulnerable place to be
How to Be Brave When You’re Feeling Scared: The Secret to Performing Under Pressure
inc. magazine

That sounds right. Actors know vulnerability. Even if they’re “just” acting.

This is why Boyd Branch and I are using pedagogical strategies from the theater to work with engineering graduate students. The practice they get in being vulnerable helps them collaborate, persuade, and do the scary things that require courage.