Andrew Fetterly Wilkes-Krier (born May 9, 1979), known professionally as Andrew W.K., is an American rock singer, multi-instrumentalist, songwriter, record producer and motivational speaker. He is known for his combination of rock, metal and pop music and anthemic songs about partying. Raised in Michigan, Wilkes-Krier began his musical career in the mid-1990s. He performed in a number of local bands before eventually moving to New York, where he produced his first recordings under the Andrew W.K. moniker.