Michael Michael Breidenbrücker (born 6 January 1972) is an Austrian entrepreneur, artist and engineer. He is best known as the co-founder of Last.fm, a founder of RjDj and a partner at the venture firm Speedinvest. He has worked with musical artists such as Hans Zimmer, Imogen Heap, Air and Booka Shade. In 2011, he produced Inception The App with Christopher Nolan and Hans Zimmer, which reached number 5 in the US App Store charts. Between 2000 and 2002, he headed the masters programme in interactive digital media at Ravensbourne College of Design and Communication in London. He studied digital art at the University of Applied Arts Vienna with Peter Weibel.