After releasing five studio albums and touring the globe countless times with their band Good Charlotte, twin rockers Joel (left) and Benji Madden decided to change gears and start MDDN, a music company that manages artists and works across branding, music production and technology. Picture: Getty Images

Joel Madden performs at the Convention Centre, Gold Coast, in 2014. Picture: Regi Varghese

Good Charlotte has been a band for more than 20 years and for Madden persistence has been a big ingredient. Picture: Supplied.

Joel, right, with brother Benji and Australian television personality and actress, Ruby Rose. Picture: Supplied

Joel has spent long stints in Australia as a judge on The Voice. MDDN manages a diverse roster of artists including Jessie J, pictured far right, who joined the Madden brothers as a judge on the program.

Joel with his wife, Nicole Richie.

Benji married actress Cameron Diaz in 2015. They are pictured here with Joel at Sake Restaurant in Double Bay, Sydney. Picture: News Corp Australia

The Madden brothers love being Down Under, and Joel calls Australia his home away from home. Picture: News Corp Australia