David Jost is a German music producer, singer, songwriter, and DJ. His career has a track record of 74 platinum, 108 gold records, and 14 No. 1 hits. He has worked with artists such as Lady Gaga, Chris Brown, Tokio Hotel, Limp Bizkit, Selena Gomez, Nelly Furtado, Keri Hilson, Aura Dione, and Adam Lambert. For his work as a songwriter, Jost was named Germany's best songwriter by the GEMA. For the band Tokio Hotel, Jost has written, produced, and mixed six No. 1 singles and three No. 1 albums.