Originally from Athens, Greece, Theocharis is a composer of acoustic, electroacoustic, and acousmatic music, currently based in San Diego, CA.
He holds a PhD in Composition from the University of California, San Diego. He also holds degrees in composition from the Eastman School of Music (MA) and the Ionian University (BA). In 2010-11, he attended the Sibelius Academy in Finland with the Erasmus Exchange Program.
For his studies, he has received scholarships from the American Hellenic Educational Progressive Association, and the Onassis, Lilian Voudouri, Erasmus, and Gerondelis Foundations.
Theocharis has taught Composition, Music Theory, Counterpoint, History of 20th Century Music, Contemporary Music, Symphonic Music, and Theory and History of Electronic Music. During his time at Eastman, he taught privately Composition to Non-Majors as well as assisted the classes of the Advanced Electronic Music and Orchestration.
Since 2018, Theocharis has been working as a Research Assistant at the Qualcomm Institute of Technology, collaborating with composer Lei Liang and oceanographer Joshua Jones on the "Hearing Seascapes" project. The team uses data of audio recordings captured by hydrophones at the bottom of the Arctic's ocean.
Since 2016, Theocharis leads the artistic direction of the annual summer composition academy ilSUONO Contemporary Music Week, which takes place annually in Città di Castello, Italy. The initiative was founded in collaboration with Italian saxophonist Michele Bianchini and the ensemble Suono Giallo. Theocharis's responsibilities at ilSUONO include sound engineering, programming, organizational and administrational duties, participant selections, artists invitations, and communications and promotions.
Theocharis has participated in several renowned venues and master-classes such as, among others, IRCAM's ManiFeste Academy, initially in the composition program with ensemble Intercontemporain in 2018, and then in the electronic music workshop AIME (Atelier d'Interprétation des Musiques Électroacoustiques) in 2019, FORUM with Nouvel Ensemble Moderne, SEAMUS 2019 at Berklee, Shanghai New Music Week with Mivos Quartet, VIPA 2016 with the [Switch~ Ensemble], Mixtur Festival 2017 with Proxima Centauri, Workshop for Young Composers in Tchaikovsky City, Etchings Festival with ECCE, IDEA Young Composers Workshop with Divertimento ensemble, World Saxophone Congress (Strasbourg, 2015 and Zagreb, 2018).
Theocharis has received instruction from Rand Steiger, Lei Liang, Ricardo Zohn Muldoon, Allan Schindler, Chaya Czernowin, Brian Ferneyhough, Fred Lerdahl, Rebecca Saunders, Philippe Leroux, Yiorgos Vassilandonakis, Dimitra Trypani, Franck Bedrossian, Raphael Cendo, Georg Friedrich Haas, Beat Furrer, Francesco Filidei, and Stefano Gervasoni.
Since the summer of 2020, he is the composer-in-residence at the Paxos Festival in Greece. In 2021, he will be the composer-in-residence of the New Music Festival at the Universidad Autónoma de Baja California (UABC) in Ensenada, Mexico.