Proudly Ōtautahi born and raised, Marcus joined The Piano in 2025 bringing with him a wealth of experience across senior leadership in arts management, professional performance, community engagement, producing and broadcasting. Marcus has held education, artistic development and leadership roles with Opera North (Leeds) and Southbank Sinfonia (London), and has led both the New Zealand String Quartet (NZSQ) and The Dust Palace Circus Company and School as General Manager. With the NZSQ and The Dust Palace Marcus led transformative periods of strategic and organisational change.

Marcus is a clarinettist and proud graduate of the University of Canterbury, New Zealand School of Music—Te Kōkī, Victoria University of Wellington, and the Royal Northern College of Music (UK) and was the 2016 Pettman DARE Fellow. He has performed with the Hallé Orchestra, Mahler Chamber Orchestra and Christchurch Symphony Orchestra, and has appeared on live solo broadcasts with BBC Radio 3 and is a Chandos recording artist. Marcus joined RNZ Concert in 2023 as a casual presenter, most often broadcasting from their Christchurch studio and presenting live concert broadcasts of the Auckland Philharmonia at the Auckland Town Hall.

As a contemporary music advocate, Marcus gave the UK and Italian premiere of Chris Cree Brown's 'Inner Bellow' for clarinet and tape, and the UK premiere of Ross Harris's 'Four Laments for Solo Clarinet', alongside countless premieres of brand-new music by UK composers.