Marcus Oliver Johnstone Mumford (born 31 January 1987)[2] is an American-born British singer, songwriter, musician, and record producer.

[8][9] He returned to London to focus on his music career after his first year of study at the University of Edinburgh, where he collaborated on Mumford & Sons' debut album, Sigh No More.

Forbes commented of the list, which also included acts such as Adele and Rihanna: "In sum they represent the entrepreneurial, creative and intellectual best of their generation.

"[12][13] Mumford sang a cover of "Dink's Song" with Oscar Isaac for the 2013 Coen brothers film Inside Llewyn Davis.

[14] Mumford is featured on the 2014 album Lost on the River: The New Basement Tapes, a collective/Supergroup with other musicians including Elvis Costello, Rhiannon Giddens, Taylor Goldsmith, Jim James, produced by T Bone Burnett.

[18] Mumford & Sons' fourth album, Delta, was released on 16 November 2018, featuring appearances from Maggie Rogers, Yebba and Gill Landry.

Produced by Blake Mills, it features guests Brandi Carlile, Phoebe Bridgers, Clairo and Monica Martin and includes "Cannibal", a song Mumford wrote in January 2021 about his personal struggles.