After originally studying visual art at Central Saint Martins, Marcus moved into music and theatre and has been a writer and performer for twenty years. He has studied with Mary King, Stuart Barr, Maureen Scott and Emma Rice’s School for Wise Children.

His show Postcards from God - The Sister Wendy Musical has been presented at Jermyn Street Theatre in London's West End and at Hackney Empire Studio Theatre, with its Concept Cast Recording receiving airplay from Elaine Paige and Graham Norton on BBC Radio Two. His debut album, singles, EPs and audiobook of poetry have received critical acclaim and local radio airplay across the UK on stations including Resonance FM, Uckfield Radio, Newcastle Student Radio, Colne Radio, Actual Radio, Riviera FM, Radio Saltire and Croydon Radio.

Marcus has performed live sets and solo shows at venues and festivals across the UK including:

Tate Britain, Royal Vauxhall Tavern, The Cochrane Theatre, Rich Mix, Birmingham Pride, The Cockpit Theatre, Phoenix Artists Club, Leicester Square Theatre, Hoxton Hall, Purcell Room, Hope and Anchor, Royal Festival Hall, Charing Cross Theatre, St Davids Hall (Cardiff), Secombe Theatre, Bethnal Green Working Mens Club, Madame JoJo’s, The Black Cap, Glasgow School of Art, Summer Rites, Soho Theatre, HowTheLightGetsIn, Hill Street Theatre (Edinburgh), Chats Palace, Birmingham Hippodrome, Hackney Empire Studio, Contact (Manchester), Lion & Unicorn, Chelsea Theatre, Stanley Halls, Rosemary Branch Theatre, Earl Haig Hall, London Wonderground, The Troubadour, Drill Hall, Twentieth Century Theatre, O2 Islington 2, Junction (Cambridge), Bob Hope Theatre, The Glory, Arcola Theatre, London Pride.

As part of London's alternative cabaret circuit he worked alongside such luminaries as David Hoyle, Dickie Beau and Jonny Woo, sang in Our Lady J’s gospel choir at Soho Theatre and supported RuPaul’s Drag Race star Adore Delano at London’s legendary Black Cap. Through Southbank Centre's Voicelab, he has performed with Mercury Music Prize winners Elbow, jazz improvisation icon Bobby McFerrin, beat boxer Shlomo and UK jazz legend Ian Shaw in choirs led by Dom Stichbury, Laka D and Mary King. More recently, he joined a star studded celebration of David Bowie at Union Chapel which also featured Glen Matlock, David McAlmont, The Magic Numbers and Dan Gillespie Sells of The Feeling, and supported Tom Robinson at a fundraiser for the Russian LGBT Network.

He has written articles for Time Out, Beige and Polari Magazine and with live performances, readings and screenings of his work at venues including BAC, the Kings Head and the ICA, Marcus has established a firm reputation as a versatile man of words and music.