Siân is a graduate of the MA Writing for Performance Programme at Goldsmiths College. Her play RESTORATION won the Oxford Playhouse New Writing Competition.  She has been part of the Sherman Cymru Advanced Writers Group and the Royal Court Studio Group.  She has been part of the invitational BBC Writers Group-Welsh Voices and was long-listed for the BBC/NTW Wales Writer in Residence Scheme 2019. She is currently on attachment at the National Theatre.

In Development

UNTITLED Severn Screen TV project

OCTOBER OCTOBER Feature Film Treatment adapted from the Yoto Carnegie-Award-Winning Novel by Katya Balen (Film Cymru)

Connections Play for the National Theatre

VISITS (Papertrail Theatre Company/Clean Break)

HOW SOON IS NOW (Box of Tricks Theatre Company)

Theatre

UNDER MILK WOOD (National Theatre Company; additional material)

HOW TO BE BRAVE (Dirty Protest Theatre / Summerhall, Edinburgh Fringe Festival; toured throughout Wales from March to September) 2019

THE TIDE (For Many Happy Returns for Dirty Protest Theatre / Summerhall, Edinburgh Fringe Festival) 2017

STRANGE RAIN (The Other Room / Young Artists Festival) 2017

THE SPLIT (For On the Brink for Dirty Protest Theatre / Newport/Cardiff) 2016

THIS LAND (Pentabus/Salisbury Playhouse) 2016

PIECES (For Ugly Sister Productions / New Diorama Theatre) 2014

SCARCITY (Sherman Cymru/Theatr Clywd) 2013

BETWEEN THE SHEETS (Dirty Protest / Milgi’s Yurt, Cardiff) 2011

CLASSIC (Theatre503) 2011

THE TURN (Arcola Theatre / Box of Tricks Theatre Company) 2011

PRICELESS PLAYlist (Christmas edition) / Theatre503) 2010

RESTORATION (Oxford Playhouse) 2010
Winner of The Oxford Playhouse New Writing Competition

I’M THINKING I WAS WRONG (Theatre 503 PLAYlist / Latitude Festival) 2010

BAD BLOOD (The Story Project 2 / Ugly Sister Productions / Southwark Playhouse) 2010

A MONTH OF SUNDAYS (Otherplace Productions / Brighton Fringe Festival) 2009

Radio

LAND OF MY FATHER (BBC Radio 4 Original Play Commission / Drama of the Week / Produced by Fay Lomas) broadcast 2024

ANOTHER PLACE (BBC Radio 4 / BBC Cymru Wales Production / Produced by James Robinson) broadcast 2021

PIECES (BBC Radio 4 Afternoon Play Commission / Produced by Gilly Adams) broadcast 2019