In 2007, he founded his own record label, Mau5trap. He has also collaborated with Steve Duda under the group name BSOD (Better Sounding On Drugs) and was part of the group named WTF? with Duda, Tommy Lee and DJ Aero. He has worked with other DJs and producers, such as Kaskade, Wolfgang Gartner, Rob Swire, and Chris Lake.
Zimmerman has received six Grammy Award nominations for his work. He mainly produces progressive house and electro house music, though he also produces and DJs other genres of electronic music, including techno under the alias Testpilot. Joel Thomas Zimmerman (born January 5, 1981), known professionally as Deadmau5 (stylized as deadmau5 pronounced 'dead-mouse'), is a Canadian electronic music producer and DJ.