Joe Zamecki was the original co-host of The Atheist Experience back in 1997. Since that time, Joe worked for American Atheists in New Jersey, and then returned to Austin and served a year on the ACA Board of Directors. He also edited the ACA's newsletter, Atheist Community News for over a year. He's still active in the ACA, and is now the Texas State Director for American Atheists.
You can also read Joe's testimonal.