Alexandros Efklidis was born in 1975 in Thessaloniki, where he begun his musical studies at the age of four. In 1995 he got his diploma in the recorder. He appeared with the State and the Municipal Orchestras of Thessaloniki. He studied at the Theatre Department of the Aristotle University of Thessaloniki and got a postgraduate degree from the Institut d'Etudes Théâtrales of the Paris III-Sorbonne Nouvelle University. He got his PhD degree from the Theatre Department of the Aristotle University with a scholarship from the National Scholarship Foundation. He published articles in Greece, France, Romania and Russia. He participated as fellow researcher in seminaries of the Performing Arts Laboratory of the CNRS in France. He is currently visiting lecturer in the Theatre Department of the Aristotle University and the Music Science and Art Department of the Macedonia University. He also taught in the Drama School of the National Theatre of Greece in Athens and in the Theatre Studies Department of the University of Patras. He worked as dramaturg in the National Theatre of Northern Greece (2002-2004) and also taught in the Drama School of the same theatre.
Efklidis also directs opera and music theatre productions. He mainly directed Leoncavallo's I Pagliacci and Donizetti's Rita (2009) in the Greek National Opera, Puccini's La Bohème(2009) and Leoncavallo's I Pagliacci and Edipo Re (2008) in Thessaloniki Opera, Sakellaridis' operetta The Godson (2011) in the Thessaloniki Concert Hall, Stravinsky's Soldier's Tale (2003) in the National Theatre of Northern Greece, Handel's Acis and Galatea (2002) in Kalamaria Municipal Theatre. He often collaborates in contemporary music projects, such as Yanni Christou's Strychnine Lady (2005, Athens Concert Hall), The Barytone (2007, Athens Festival) and Epicycle (2011, Music Village, Aghios Lavrentios). He regularly works with the DissonArt Ensemble, as in the case of Yiorgos Koumendakis Unknown dialects: 8 conferences in music, a music theatre production commissioned by the Athens Festival (2010).