In her work, Semper mixes various art forms, ranging from theatre and opera to fine art, video art, film and installation art. As well as at NO99 Theatre she has also worked at the Münchner Kammerspiele with Sebastian Nübling and Kristian Smeds and at the Malmö Opera with Dmitry Bertman. In addition to her work as a stage director and scenographer, Semper also works as a video and performance artist. She has exhibited her work around the world, including two appearances at the Venice Biennial. Tiit Ojasoo (Estonia, 1977) graduated in 2000 as stage director at the Estonian Academy of Music and Theatre, before starting his career as a director at the Estonian Drama Theatre. In 2004 he was appointed artistic director of the Old Town's Studio, which was renamed NO99 Theatre a year later. Since, he has shared the theatre's artistic direction with scenographer and director Ene-Liis Semper. Ojasoo has staged more than twenty performances in various theatres across Estonia (NO99, Von Krahl, Draama Teater, Vanemuine, Endla). His directions have included works by Shakespeare, Bernard-Marie Koltes, Akira Kurosawa, Martin McDonagh and Alfred Jarry. In his work, he has frequently used texts by Yukio Mishima and Sarah Kane as well as his own texts, including Oil! and GEP. He's also directed musicals (Blood Brothers, Evita) and a rock opera (Ruja). Ojasoo works in close collaboration with set designer and co-director Ene-Liis Semper. In the Baltic States, Ojasoo has won many theatre prizes, including the prize for best producer of the year at the Estonian Draama Teater Festival. His work has been performed at a range of international festivals, including Wiener Festwochen in Vienna, Politik im Freien Theater in Cologne, Novaja Drama in Moscow and Kontakt in Torun. Die Stunde da wir nichts voneinander wußten is the third play he and Ene-Liis Semper have staged for the Thalia Theater.