Levas Kleinas graduated from Vilnius University in 1975, while in 1976 he started working at the Lithuanian National Opera and Ballet Theatre. Since 1980 he is the chief lighting designer with LNOBT. During this period L. Kleinas created lighting design for 71 operas, including “La Traviata”, “Faust”, “Nabucco”, “Turandot”, “Un ballo in maschera”, “Rigoletto”, “Macbeth”, “Don Giovanni”, “Carmen”, “Fidelio”, “Tannhäuser”, “Tosca”, “Die Walkure”, “Otello” etc., 63 ballets, including “The Sleeping Beauty”, “Swan Lake”, “Giselle”, “La Sylphide”, “La Coppélia”, “Romeo and Juliet”, “Desdemona”, “La Bayadere”, “Diaghilev”, “Der Prozess” etc., and many concerts.
In 1986 L. Kleinas toured at Bolshoi Theatre in Moscow (here LNOBT presented even 9 different performances), in 1988 – at Teatr Wielki in Warsaw (5 different performances). Also, together with LNOBT he has appeared on tours in Germany, Holland, Taiwan, Spain, Tel Aviv Opera ( Israel) , Triest Teatro Verdi (Italy), Beijing NCPA, Shanghai, Guangzhou Opera House, Xiamen, Zhuhai (China); Savonlinna Opera Festival (Finland), Verdianeum Festival in Busseto (Italy), Dalhalla festival (Sweden), Festivals in: Liubliana (Slovenia), Ravena (Italy), auditorium San Lorenzo de Escorial (Spain), Bella Bartok Miskolc (Hungary), Bydgosc (Poland), Racconigi (Italy);
L. Kleinas has toured a lot with the S. Prokofjev’s “Romeo and Juliet”, conducted by Maestro Mstislav Rostropovich and performed by LNOBT ballet company. The venues include Schleswig-Holsten Music Festival in Germany (1994), tours in Evian (France, 1997), Thessaloniki (Greece, 1997), Cairo (Egypt, 1997), Washington (USA, 1998), Cagliari (Italy, 1999), Ingolstadt (Germany, 2000), Tokyo and Osaka (Japan, 2001), London (UK, 2002) and others.
In 2013 and 2017 worked in Montevideo at the Ballet Nacional SODRE, adapting Eifman ballet “Russian Hamlet”.
At LNOBT L. Kleinas has worked as an assistant lighting designer for Peter Mumford, Rick Fisher, Mimi Jordan, Adam Silverman, Marc Heinz, Scott Zielinski, Vinicio Cheli, Eduardo Bravo and others.
In 1998 OISTAT organized the publishing of “The New Theatre Words” dictionary for the Eastern European countries in their languages. L. Kleinas was one of the three translators, who translated the dictionary into Lithuanian language; he also served as the supervisor of special terms.