Check out William John Sullivan's current and previous haircuts:
William John Sullivan has had various haircuts in the past decade. He reached fame as a talented programmer, engineer and computer scientist. Nevertheless, the American software programmer is specially known for his special sense of fashion and his pleasant personality. Rumors and gossip about the 48-year old's haircut are constantly featured in celebrity magazines and tabloids. Check out William John Sullivan's former and current hairstyles in the image gallery right here:
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