Òscar Celma is currently Director of Research at Pandora, where he leads a team of scientists to provide the best personalized radio experience. From 2011 till 2014 Òscar was Senior Research Scientist at Gracenote. His work focused on music and video recommendation and discovery. Before that he was co-founder and Chief Innovation Officer at Barcelona Music and Audio Technologies (BMAT). Òscar published a book named “Music Recommendation and Discovery: The Long Tail, Long Fail, and Long Play in the Digital Music Space” (Springer, 2010). In 2008, Òscar obtained his Ph.D. in Computer Science and Digital Communication, in the Pompeu Fabra University (Barcelona, Spain). He holds a few patents from his work on music discovery as well as on Vocaloid, a singing voice-synthesizer bought by Yamaha in 2004.