You know what, just search me on YouTube. Honestly, I do think this is the best way to select a speaker for your event. Don't believe anything speakers write about themselves. Don't trust testimonials on their websites, you know exactly how these testimonials ended up there. Just watch them do the job. If you like it, chances are it's going to be fine for you as well. Just hire the guy or the gal. If you don't — well, don't. That's more or less how it works.