Originally from Yerevan, Armenia, Petros Karapetyan joined the Rochester Philharmonic Orchestra in 2019. He is a former member of the Aguascalientes Symphony Orchestra, and has also played with the Houston Symphony, the IRIS Orchestra, Orquesta Sinfónica de Sinaloa de las Artes, and Symphoria. Petros has had fellowships at Tanglewood Music Center, Pacific Music Festival, Lake George Music Festival, and Colorado College Summer Music Festival.

As an educator, Petros teaches at the Chamber Music Institute for Young Musicians in Stamford, CT, and has previously given master classes at the Universidad Autónoma de Aguascalientes and the Orquesta Sinfónica Esperanza Azteca in Mexico. He holds a Bachelor of Music with Performance Certificate from the Eastman School of Music, a Bachelor of Arts in Business from the University of Rochester, and a Master of Music degree from Rice University.