Since his debut as a soloist with the National Chamber Orchestra of Moldova at the age of 15, Grig has performed as a soloist with orchestras including the Royal Philharmonic Orchestra in London, the National Philharmonic of Moldova, the Kings Chamber Orchestra, the Bridgewater Sinfonia and the Moldovan National Youth Orchestra.

He has given recitals across the UK, Russia, Europe, Central America and the Middle East and performed solo in halls including Cadogan Hall in London, Teatro Olimpico in Vicenza, Murmansk Philharmonic in Russia and Christ Church in the Old City of Jerusalem as well as solo performances to members of the Royal Family. Enthusiastic about humanitarian causes, Grig has been invited to perform in Israel and the West Bank as part of an initiative to bring reconciliation and dialogue to the region.

Besides performing as a violinist, Grig Cuciuc has appeared as a conductor with orchestras in the UK and Italy and has recently guest conducted the Kings Chamber Orchestra and the Brentwood Philharmonic. His less conventional music collaborations include recording and performing with Emmy nominated experimental composer Robert Logan and recording solo violin for award winning film director Alex Gibney.

Grig is passionate about inspiring and mentoring the younger generation and is currently the Artist in Residence at Brentwood School in addition to teaching at Junior Guildhall School of Music and Drama in London. Much in demand as an educator, Grig has given masterclasses in the UK and Central America and has a particular interest in the neuropsychological aspects of musical learning and performance, having led numerous workshops and performance classes aimed at helping musicians gain more expressive freedom.

During his musical studies in London, Grig has been awarded the prestigious Dip RAM prize for an outstanding final recital at the Royal Academy of Music, where he completed his MA with distinction on full scholarship, having previously earned his Bachelor's degree with First Class Honours from the Royal College of Music. He is fluent in several European languages and plays on a fine Nicolo Gagliano violin made in Naples in 1780.