Los Angeles, California, 14 February 1953) is an American composer living in Malling, Denmark.
After three years there he decided to complete his Bachelor of Arts degree in Århus, Denmark, where he studied with the noted Danish composer Per Nørgård.
In 1978 Siegel was awarded a three-year grant in composition from the Danish Art Council, working as a free-lance composer in the years that followed.
After two years as administrative director of the West Jutland Symphony Orchestra and its affiliated chamber ensemble, the Esbjerg Ensemble, he was in 1986 appointed director of the newly founded national electronic music center, DIEM (The Danish Institute of Electroacoustic Music) in Århus.
His works have been commissioned by the Kronos Quartet, Evelyn Glennie, Harry Sparnaay, Singcircle, and the Safri Duo.