National Theatre Wales (NTW) is a theatre company known for its large-scale site-specific productions and its grassroots work with diverse Welsh communities. It is the English-language national theatre of Wales, and refers to Theatr Genedlaethol Cymru, the Welsh-language national theatre of Wales founded in 2003, as its sister company. NTW's current artistic director is Lorne Campbell, and its executive producer is Lisa Maguire. Its previous artistic directors are John E. McGrath and Kully Thiarai.