A former member of the now-defunct 1980s group Taxi Girl, he is perhaps best-known for his work with American artist Madonna, whom he first met in the late 1990s.

Taxi Girl captured the punk rock power of The Stooges, the techno futurism of Kraftwerk and the disco euphoria of Giorgio Moroder and molded the diametrically opposed styles into an electrifying new-wave sound that entertained and inspired a generation of listeners bored by the complacency of 80s French pop.

Even the current darlings of the French electronic music scene, such as Daft Punk and Air, continue to namecheck Taxi Girl as a major influence on their artistic directions.

[7] Madonna recruited him for writing and production collaboration on four of her studio albums: Music (2000), American Life (2003), Confessions on a Dance Floor (2005), and Madame X (2019).

He was also involved in the writing and production of the title track to the movie Die Another Day, co-written and performed by Madonna.

The official website stated: "YAS is the name of Mirwais' new project with the singer and composer Yasmine Hamdan.

In an interview on 13 January 2007 published on lecourrier.ch, Mirwais said, "At the moment I work with Yasmine Hamdan (one half of Lebanon electro-duo Soapkills).

After remixing "Pop the Glock", Mirwais became one of the producers of Uffie's album Sex Dreams and Denim Jeans, for which he produced four songs "ADD SUV", "Sex Dreams and Denim Jeans", "Illusion of Love" and "Hong Kong Garden", one of which featured Pharrell Williams ("ADD SUV") and one which featured Mattie Safer ("Illusion of Love").