French director Marie Lambert made her Royal Opera debut in the 2005/6 Season as the assistant director for La fanciulla del West. She returned as an assistant director in the 2008/9 Season for La fanciulla del West, in the 2011/12 Season for Les Troyens and in the 2014/15 Season for Andrea Chénier. In the 2018/19 Season she returns as Revival Director for Andrea Chénier.
Lambert was born in France, grew up in Paris and in England, and studied literature in Paris and Bologna and directing at La Scala, Milan. She has acted in and directed plays by Marivaux, Schnitzler, Goldoni and Calaferte and directed Le Bourgeois Gentilhomme (Teatro Litta, Milan). She has directed Zazà for Opera Holland Park and La Voix humaine for Buxton Festival and was Associate Director on Madama Butterfly (La Monnaie, Brussels) and La Cenerentola (Paris Opéra). As an assistant and revival director she has worked for Opéra national du Rhin, Glyndebourne Festival, the Liceu, Barcelona, Maggio Musicale, Florence, Paris Opéra, Vienna State Opera, La Monnaie, Brussels, Lyric Opera of Chicago, San Francisco Opera, Gothenburg Opera, Opéra de Marseille, Théâtre du Capitole de Toulouse, Welsh National Opera, Scottish Opera, Teatro Regio, Turin, La Scala, Milan, Opéra de Montpellier, Aix-en-Provence Festival, the Théâtre des Champs-Élysées, Théâtre du Châtelet, New National Theatre, Tokyo, Teatro Regio di Parma and Ravenna Festival. She has collaborated extensively with directors Piero Faggioni and David McVicar, and also worked with Kirsten Dehlholm of Hotel Pro Forma, Guillaume Gallienne, Liliana Cavani, Alfredo Arìas, Franco Ripa di Meana, Micha Van Hoecke, Lee Blakeley and Chiara Muti.
Lambert translated the early Offenbach operetta Vent du Soir into Italian for the Maggio Musicale, Florence. She was the dramaturg for Entropy, a scientific conference featuring Dopplereffekt and code artists Elie Zananiri and Arturo Castro. She also works as a translator for various publishers, specializing in exhibition catalogues and poetry collections.