Sied van Riel (Dutch pronunciation: [ˈsit fɑn ˈril]) is a Dutch trance music DJ and producer originally from Rotterdam but currently residing in Spijkenisse.

He also has a one-hour weekly radio show called Rielism that airs on Afterhours.fm every Monday.

[1] When not in the studio working on new mixes, Sied van Riel maintains an extensive international touring schedule.

[2][3][4][5][6][7][8] In October 2009, as in every other year the results of different polls held to rank top DJs came out.

In the Trance Addict poll, Sied van Riel was ranked No.