Christian Geller is a German record producer, composer, arranger, and music manager, also known under his alias Nick Raider. More than 80 songs that he co-wrote or produced, ranging from artists such as David Hasselhoff, Hape Kerkeling, Yvonne Catterfeld, Truck Stop, Claudia Jung to No Angels, Caught in the Act, Banaroo and beFour, have entered the German Singles Chart.