The definition of ambiguity in trance and electronic music. He has been chosen "World's #1 DJ" two years in a row, and is the only DJ to ever give a solo stadium concert, which he did in May of 2003. He has done countless remixes and many compliation CDs (the best of which are his Magik and In Search of Sunrise cds), as well as an artist album "In My Memory".
Due to his massive popularity he is often used by newcomers to electronic dance music as a gateway to trance and EDM in general; also due to his massive popularity he is often reviled after these same newcomers want to feel more of a part of the community and rag on Tiesto. Veterans of the dance music scene also criticize him for the lack of quality in his latest productions and his average mixing skills of late, and for "selling out" to the masses.
Tiesto has shown undeniable skill in his productions such as Suburban Train, Flight 643, and Sparkles (among others), and in many of his remixes such as his "In Search of Sunrise" brand remix of Silence by Delerium. Many will continue to hate Tiesto (and its true that his latest work "Love Comes Again" with BT on vocals is terrible) but many will hate Tiesto for bullshit reasons. Listen to his old productions and his new works, and decide for yourself.
Magik 6, mixed by DJ Tiesto live, is one of the best trance mixes available.
Yahel - Going Up (Magikal Remake) is one of DJ Tiesto's best remixes.
Suburban Train by DJ Tiesto is incredible to hear live.