Michael Breidenbruecker is an Austrian entrepreneur, artist, and engineer. He is best known as co-founder of Last.fm, founder of RjDj, and partner at venture firm Speedinvest. He has worked with artists such as Hans Zimmer, Imogen Heap, Air, and Booka Shade. His approach to combining music discovery, online radio, and social software was widely recognized in Europe and the USA and captured the attention of millions of consumers and global media. Michael's most recent venture was Reality Jockey Ltd., which is the publisher of the RjDj mobile applications and the online music portal www.rjdj.me. The company produced some of the most innovative iPhone applications, such as "Dimensions, adventures in the multiverse" and “Inception The App.” In the last year, Michael and his niece, Tassia Breidenbrücker, have created a system for private data computations and data marketplaces in distributed environments, called SLANT.