Ilias Kaloudis is a Greek pianist, music educator, arranger, musical director, and orchestrator whose work spans classical music, jazz, contemporary music, and musical theatre. He holds a degree from the Department of Music Studies at the National and Kapodistrian University of Athens (NKUA), as well as a postgraduate degree with distinction in Jazz Music and Improvisation with New Technologies. His musical training also includes a Piano Diploma, awarded unanimously with distinction and First Prize by the Maiandrio Conservatory in 2008, a Piano Certificate awarded unanimously with distinction by the Erateio Conservatory in 2005, and qualifications in harmony and counterpoint. He attended the Music Middle and High School of Ilion and has further developed his expertise through seminars on jazz piano performance, ancient Greek music theory, and the music of Iannis Xenakis. His additional areas of knowledge include music technology, sound recording, and room acoustics.

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Alongside his teaching career, Kaloudis has extensive experience in musical direction, orchestration, piano performance, and the preparation of musical theatre productions. He has taught music and piano at a number of educational institutions and conservatories. He has also worked with Danceonstage, the dance school founded by Anna Athanasiadi. 

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A significant part of his professional career is dedicated to musical theatre. He has served as musical director, rehearsal pianist, orchestra conductor, and keyboard programmer in productions including The Sound of Music, Annie, Hairspray, Matilda, Jesus Christ Superstar, Mamma Mia!, and The Addams Family. In November 2023, he undertook musical direction, teaching, orchestra conducting, piano performance, and keyboard programming for Charlie and the Chocolate Factory at the Embassy Theatre, continuing his involvement in the production through 2025. His theatre credits also include serving as répétiteur for The Sound of Music at the Pallas Theatre in 2014–2015, performing piano and synthesizer in Our Own Cinema in 2019, and providing musical direction for Annie in the same year. Beyond the stage, he performed piano on the television programme The Voice 2 during vocal coaching sessions with Victoria Halkiti and appeared on the morning television show Mega Me Mia, hosted by Markos Seferlis, in 2014–2015.

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Kaloudis is a founding member of the Athens Theater Orchestra and a member of the Athens Tango Ensemble, with which he has performed in Greece and internationally. He has also participated in ensembles such as Kyklos, Kathos Den Prepei, Mitera Falaina Tyfli, and Lazy Walking Lily, performing across a variety of musical genres. His collaborations include numerous prominent Greek artists, among them Dionysis Tsaknis, Vangelis Germanos, Kitrina Podilata, Giannis Miliókas, Nikos Ziogalas, Kostas Tournas, Elena Paparizou, Giorgos Sabanis, Betty Harlaftis, Antonis Mitzelos and Pegky Zina, as well as Despina Vandi, Demy, Rous, Nino, Vasilis Kazoulis, and many others. His work extends to concert performances throughout Greece, recordings, orchestral arrangements, music for television, and contributions to music videos, documentaries, and advertising. He has also composed music for the Greek television series Klemmena Oneira.

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His work as an arranger and pianist includes several major concert productions in Nafpaktos marking Good Friday, featuring the Cantelena Choir, the Nafpaktos Choir, and distinguished guest artists. These productions have brought together singers such as tenor Antonis Koronaios and sopranos Sonia Theodoridou and Gina Fotinopoulou, alongside actors Filareti Komninou, Ieroklis Michaelidis, and Leonidas Kakouris. He has also arranged and performed piano for Cantelena’s Christmas concert in Patras in 2023. In 2022, he undertook the orchestration and editorial preparation of Puccini’s opera Manon Lescaut, published by Aparsis in book and CD format. In April 2026, he arranged and conducted a symphony orchestra at the Xanthi music school festival Xanthi: City of Dreams – Music Schools.

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His concert appearances include piano performances at Piano City Athens 2024, presenting Let’s Waltz with Piano at Athens International Airport and Piano & Hip Hop at Ellinikon Experience Park. He has also performed with choirs specialising in Byzantine, classical, and contemporary music at major venues such as the Lycabettus Theatre, the Municipal Theatre of Piraeus, the Odeon of Herodes Atticus, the Veakeio Theatre, and other prominent cultural spaces. His television appearances include programmes such as Stin Ygeia Mas, Ehei Gousto, Echoume kai Leme, Proino Mega, and Spiti sto Mega.

Combining a strong academic background with extensive practical experience, Ilias Kaloudis brings together performance, education, orchestration, and musical direction across a broad range of musical styles. His expertise in music technology and digital production software, including Cubase and Sibelius, further supports his work in arranging, sound editing, mixing, and music notation.