Maria Semes joined the viola section of the Baltimore Symphony Orchestra beginning with the 23-24 season. Prior to joining the Baltimore Symphony, Maria held a one year position with the Indianapolis Symphony Orchestra and played regularly with the Pittsburgh Symphony Orchestra. She was formerly a member of the Louisville Orchestra from 2014-2021 and the Britt Festival Orchestra 2015-2022.

During the summer season, Maria frequently plays with the Grand Teton Music Festival Orchestra in Jackson Hole, Wyoming. Maria studied at the Juilliard School where she received her bachelor and master of music, her teachers were Naoko Tanaka and David Chan.