A true international comedian, Byrne has performed to sold-out crowds around the world. He has been a featured comic at the Just for Laughs Festival (Montreal, Toronto and Chicago), HBO's US Comedy Arts Festival in Las Vegas and the CanWest Comedy Fest in Vancouver. He has been part of several national comedy tours including The Sullivan & Son Tour, The Jameson Comedy Tour, Vince Vaughn's Wild West Comedy Tour, The Kims of Comedy, The Camel Cigarettes Sin City Tour, and his own national Myspace Comedy tour. Byrne even had the honor of opening for esteemed musical acts such as Kanye West, Mariah Carey, Modest Mouse, Puddle of Mudd, Spoon, Rev. Horton Heat and many more. As a big supporter of the US troops, Steve also headlined several USO tours in Afghanistan, Iraq, Japan and Guam.