Marcelo is an award-winning playwright and screenwriter who grew up in Sydney, Rio and London.

Key credits include: Lionboy (adaptation for Complicite, UK/World tour); New Labour (RADA); Cheer up This is Only the Beginning (co writer, Liverpool Playhouse); Knights (Upstart Theatre/Exeter Bike Shed); Moshing Lying Down (Shunt Vaults/Festivals tour) and Lovers Walk (co-writer, Southwark Playhouse).

His latest play Open Plan opened at Royal Welsh College of Music and Drama on 7th February 2017.  He is currently under commission to Lucky Giant (NBC International) to write a sitcom.

Marcelo recently finished a two year attachment to HighTide Festival Theatre supported by the Bush Theatre and ACE and has been on attachment at the Royal Court Theatre and developed work through the National Theatre Studio.

He is co-founder of High Hearted Theatre.