ATB
André Tanneberger, under the stage name of ATB, (born February 26, 1973 in Freiberg, Saxony, Germany) is a German DJ, musician, and producer of trance music. According to the official world DJ rankings governed by DJ Magazine, ATB was ranked #11 in 2009. as well as in 2010 and went down to #15 in 2011. In 2011, he was ranked as world number 1 according to "The DJ List".
source: Wikipedia