Pyotr Okunev was born in Leningrad (St Petersburg today). In 1996 he finished the St Petersburg State College of Fine Arts named after B. Johanson at the Russian Academy of Fine Arts. In 2002 he finished graduated from the St Petersburg Academy of Fine Arts and Industry named after A. Stiglitz, Devision of Monumental Art at the Department of Interior Design and Technology.
Co-authored with Olga Shaishmelashvili, Pyotr Okunev worked on the stage designs for Bury Me behind the Baseboard, Playing the Victim and The Mad Day, or The Marriage of Figaro at the Baltic House Theatre in Saint Petersburg and for Dona Flor and Her Two Husbands and Five Evenings at the Lenkom Theatre in Moscow, A Profitable Position at the Kommissarzhevskaya Theatre in Saint Petersburg, Rusalka at the Mikhailovsky Theatre in Saint Petersburg, and The Summer of One Year and The Mistress on the Inn at the Tovstonogov Bolshoi Drama Theater in Saint Petersburg.
In 2002–2014 he applied his knowledge and expertise in numerous drama productions, variety shows, outstanding opera and ballet productions. He designed over sixty opera, ballet and drama productions in Russia and abroad.
As a scenic designer, he designed sets and scenery for The Good Lie at the Lenkom Theatre in Moscow, God of Carnage at the Baltic House in Saint Petersburg, The Queen of Spades at the NOVAT in Novosibirsk, The Marriage of Figaro at the Mikhailovsky Theatre in Saint Petersburg, Tannhäuser at the Mariinsky Theatre in Saint Petersburg, and Rigoletto and Sadko at the Glinka Opera and Ballet Theatre in Chelyabinsk.
As a set and costume designer, Pyotr Okunev engaged in designing for Lucia di Lammermoor at the Kolobov Novaya Opera Theatre in Moscow, Carmen at the State Opera and Ballet Theatre in Astrakhan, Falstaff at the NOVAT in Novosibirsk, and Mozart and Salieri and Kashchey the Immortal at the Mariinsky Theatre in Saint Petersburg.
Since 2014 Mr. Okunev has been working as stage-designer of the Primorsky Opera and Ballet Theatre. In 2016 Mr. Okunev was appointed as Chief Designer of the Primorsky Stage of the Mariinsky Theatre.
At the Primorsky Stage of the Mariinsky Theatre he acted as an artistic director upon production of some operas such as Carmen, The Tale of Tsar Saltan, Tosca, Bastien und Bastienne, Mavra, The Tsar’s Bride, War and Peace, and the ballet A Thousand and One Nights.