Aleks Sierz is the theatre critic of Tribune and a freelance theatre reviewer. He is a lecturer in modern British theatre whose seminal study, In-Yer-Face Theatre, defined a new generation of writers and their work. In 2006 Methuen Drama published his guide, The Theatre of Martin Crimp, which was followed up by 2012's Modern British Playwriting: the 1990s. Sierz's journalism has featured in the Sunday Times, the Daily Telegraph and the Independent. He is a widely read, highly regarded critic of modern British theatre.

Aleks Sierz FRSA is Visiting Professor at Rose Bruford College, London, UK, and author of In-Yer-Face Theatre: British Drama Today (Faber, 2001), John Osborne's Look Back in Anger (Continuum, 2008), Rewriting the Nation: British Theatre Today (Methuen Drama, 2011) and Modern British Playwriting: The 1990s (Methuen Drama 2012). He also
works as a journalist, broadcaster, lecturer and theatre critic.