Have two bachelors, a JD, and an MBA. I went to school at night for over a decade. Tons of presentations. It sucked almost every single time. But what’s the alternative? Letting the little shits laughing at you ruin your future? Take some pride in the fact that they couldn’t do what you’re doing. They don’t have the guts. I know I sound all ITG, but having that little chip on my shoulder helped me deal with it.