Nürnberg, Germany, 7 January 1970) is a German countertenor.
He was raised in Coburg and completed studies as an oboist, playing professionally before discovering his countertenor voice.
He usually refers to himself as an Altus (In English, a "Male alto").Rexroth studied at the Musikhochschule Karlsruhe, the Schola Cantorum Basiliensis, and privately with Marilyn Horne.
In 1999 he received a stipend award from the cultural foundation of the state of Baden Württemberg.
Since 2000, Rexroth has had an active career in Europe which has included opera and concert performances.
In addition, he is an active voice teacher and coach, and has conducted the Georgisches Kammerorchester and the "Ensemble del' Arte" in Ingolstadt.