Vas Deferens Organization is an American experimental band and a production team founded in Dallas in 1994 by Matt Castille in association with Christopher Moock, Jason Cohen, Barbara Cohen, Craig Carlton, Breck Outland, and Reagen Boone. In 1995 Eric Lumbleau joined the group. From 1995 through 2007, VDO was a loose collective centered on Castille and Lumbleau and ever-changing collaborators.