Like most, I used to be really scared to speak in front of other people. I still am at times but most of the nerves have gone away.
I think the key, and you may have heard this before, is to really know the material you’re speaking about. This way you don’t have to think but rather just know. You just know what you need to say. You know what slide is next. Some of it is memorization but most of it is preparation.
Here I am presenting at one of our PI planning sessions.