My company was at a trade show recently. As it turns out, Joseph Harris was plying his trade as a professional performer at the show. I staff these shows relatively often, but I went to the last one and wasn’t dying to go to another so soon; I passed on it.
Missed out on my chance to meet Joe, but a colleague had the presence of mind to take a shot of him (doing some 4A) and got a signed card for me as well. 
Pretty cool beans!
Fired up a few performances of his, including the 2011 Nats… guy’s a beast.