Alexander Sivaev began his creative career at The Young Actors Musical Theatre. He has designed productions for acting and directing workshops of the Russian Academy of Theatre Arts (RATI-GITIS) and of Rosetta Nemchinskaya and Alexander Fyodorov In 2008 he graduated from the production faculty of the Nemirovich-Danchenko Studio School of the Chekhov Moscow Arts Theatre directed by Damir Ismagilov. Previously worked in the lighting design department of the Bolshoi Theatre. As an assistant lighting designer he worked for a long time together with Gleb Filshtinsky. In his capacity as a lighting designer he has worked at numerous theatres throughout Russia including the Bolshoi Theatre (Le Sacre du printemps), the Novosibirsk Theatre of Opera and Ballet (Faust), the Chekhov Moscow Arts Theatre (Die Neuen Leiden des Jungen W.), the Pushkin Moscow Drama Theatre (Les Brigands, Talents and Dead Men, Der Gute Mensch von Sezuan and La Dame aux camélias), the Moscow Young Generation Theatre (Medea, Diary of a Madman, Shakespearian Jesters), and the Sovremennik theatre (Sight Unseen). Together with the company Stage Entertainment Russia he has designed for the musicals The Sound of Music and Zorro as well as the ice shows The Nutcracker, The Snow Queen, The Sleeping Beauty and The Three Musketeers. At the Mariinsky Theatre he has worked on productions of Moscow, Cheryomushki, Benvenuto Cellini, Les Contes d’Hoffmann and A Christmas Tale. He was nominated for a Golden Mask award for the opera Les Contes d’Hoffmann (2013).