Jori Sjöroos (born 1976) is a Finnish musician and producer from Turku, Finland. He became known for his projects with Fu-Tourist, This Empty Flow and Magenta Skycode. Sjöroos was the main composer and producer of PMMP's music. He produced PMMP under the artist name Think Ink. He is considered a typical producer: he is respected in the music circles, but the general public may not have a clear picture of what the person is about. In the early 1990s