Miriam trained in costume design at Akademie für Kostümdesign in Hamburg and in theatre design at Central Saint Martins, London.
Theatre includes: Sunny Afternoon and Chariots of Fire (Hampstead Theatre and West End); Wild (Hampstead Theatre); Bend It Like Beckham (West End); The Father (Theatre Royal Bath); Boy, Game, When the Rain Stops Falling and Judgment Day (Almeida Theatre); The Effect and Earthquakes in London (National Theatre); Decade (Headlong); The Trial, Measure for Measure, Public Enemy, Wild Swans, The Government Inspector, In the Red and Brown Water, The Good Soul of Szechuan and Generations (Young Vic); In the Republic of Happiness, Love and Information (and in New York), Escaped Alone, Get Santa!, Sucker Punch, Cock and My Child (Royal Court Theatre); King Lear (New York); Six Characters in Search of an Author (Chichester FestivaTheatre/West End); Everybody Loves a Winner (Manchester International Festival); The Wonderful World of Dissocia (Edinburgh International Festival/Royal Court); Red Demon and The Bee (Young Vic/Japan); Trade (RSC/Soho Theatre) and Guantanamo: ‘Honor Bound to Defend Freedom’ (Tricycle Theatre/West End/New York/San Francisco).
Opera includes: La fanciulla del West (also in Santa Fe Opera) and Turandot (ENO); Il trittico (Royal Opera House); Anna Nicole (New York/Royal Opera House); Carmen (Salzburg Festival) and The Death of Klinghoffer (Edinburgh Festival/Scottish Opera).
Dance includes: Tenterhooks (Canadian National Ballet); Awakenings (Ballet Rambert) and Frame of View (Cedar Lake, New York).
Miriam was the overall winner of the Linbury Prize for Stage Design in 1999, and received the Evening Standard Theatre Award in 2010 for Best Design for Earthquakes in London and Sucker Punch.