Well, at least not in general. But yes, shy folks would usually be considered introverts.
Here’s the first couple paragraphs:
Unfortunately, as an adult I found this habit does not serve me well. As a designer and lecturer I frequently find myself on stage or in front of a camera and have to “play” someone who is comfortable being there. Years of practice have lessened my fears, but I still have to summon the courage to walk confidently to the podium.