While in school, Gentles interned for future Strokes publicist Jim Merlis at Geffen Records and New York music venue Mercury Lounge.
He became their manager in 2000 and, at the insistence of frontman Julian Casablancas, had an equal share in the profits of the band, untypical of the music industry.
"[3][4] After twenty years of managing The Strokes, Gentles and the band parted ways in October 2020.
[2] In January 2008, he merged his company with that of music business veteran's Danny Goldberg to form Gold Village/Wiz Kid Management.
In June 2014, Wiz Kid joined the management division of production company C3 Presents.