[1] In 2011 Mayo obtained a PhD in composition from the Royal Academy of Music where he studied with Philip Cashian.
In September 2012, Mayo was announced as the Manchester Camerata Composer in Residence for the 2012/13 season[15][16] during which time he wrote three new works for the ensemble.
[17] Together with his fellow Camberwell Composers Collective members, Mayo served as New Music Associate at Kettle's Yard in Cambridge from 2008 to 2010.
[19] Mayo has also undertaken numerous orchestration projects for notable pop music artists including collaborations for the Polaris Music Prize[20] and with Canadian singer-songwriter Carly Rae Jepsen[21][22] and Canadian Inuk throat singer Tanya Tagaq.
[25] As a distinguished alumni, Mayo was named an Associate of the Royal Academy of Music (ARAM) in their 2018 Honours and Awards list.