In the 1980s, he formed the band Orange with Nicolas Godin, Alex Gopher and Xavier Jamaux. He studied mathematics and physics and taught at a middle school in Paris, before embarking on a career as a professional musician. Since 1995, he has been one of two members of the band Air, along with Nicolas Godin.
Working under the name "Darkel" he released his first solo album, Darkel, in September 2006 ("dunkel" is the German word for "dark").
In April 2009, a concert was held in Paris to launch the release of MaJiKer's first album, Body-Piano-Machine, with guest vocalistCamille and a DJ set by Dunckel.
In 2011, he formed the electronica side project Tomorrow's World with Lou Hayter of New Young Pony Club.Their first album, Tomorrow's World, was released in 2013.
Dunckel collaborated with Icelander Barði Jóhannsson under the name Starwalker and released an E.P. in March 2014 featuring "Losers Can Win" and "Bad Weather". A new song not featured on the E.P. was issued in November 2014, called "Blue Hawaii".
In March 2015 Darkel issued the 4 track E.P./mini-album entitled "The Man Of Sorrow".