Swedish songwriter, producer, lyricist and musician Mack, a.k.a. Marcus Sepehrmanesh, born on January 17, 1978 in Täby, Uppland.

He has worked a lot with Zara Larsson, co-writing her hit songs ”Lush Life” and “Ain’t My Fault” as well as her previous hits ”Uncover” and ”Rooftop.” Besides Zara, Mack has also worked with Icona Pop (“Girlfriend”), DJ Tiësto (“Let’s Go”) and V.V. Brown (“Shark In The Water”), just to name a few of his collaborations.

Markus Mack Sepehrmanesh is also an active member of the boards at the companies: [l793836], [l730559] and [l793837] in Stockholm, Sweden.