Schultheis started studying piano at the age of five, and at fourteen, he entered the Conservatoire de Paris.

His career began in the 1970s with the musical La Révolution Française, where he played as prosecutor Antoine Quentin Fouquier-Tinville.

It was revealed in 1981 in the program Dimanche Martin (hosted by Jacques Martin, he was then a musician in the orchestra conducted by Raymond Lefèvre, then by Bob Quibel;[2] That same year, he experienced success as a singer with the song "Confidence for confidence", which uses a particular method of construction of the text (an anadiplosis), each half-verse starting with the same syllable as the end of the previous half-verse, which creates an unusual cadence.

[2] In 1991, he signed a title on the album "Ça ne change pas un homme" by Johnny Hallyday.

In 2007, he ran an unsuccessful campaign in the French legislative elections in the first district of Var under the Ecology Generation party.

The program Stars 80 produced by Thomas Langmann tells in a humorous way the adventure of the successful tour RFM Party 80 which gathered more than a million spectators.