Silver Ainomäe was born in Tallinn, Estonia. At the age of six he began to play the cello and piano. In 1990 Ainomäe's family migrated from Estonia to Finland and at the age of twelve, he was accepted to the Sibelius Academy in Helsinki, where his teachers were Hannu Kiiski and Arto Noras. After receiving a master’s degree at the Sibelius Academy, he attended London's Guildhall School of Music and Drama and Razumovsky Academy under the guidance of Oleg Kogan. He participated in his first international competition when he was eight years old. Two years later he won second prize in a competition held in the former Czechoslovakia. Since then he has been competing regularly, winning multiple prizes and awards at competitions worldwide including the Isang Yun, Lutoslawski and Paulo competitions.
Ainomäe was the Principal Cellist of the Colorado Symphony from 2009 to 2016 and is currently the Associate Principal at the Minnesota Orchestra. In addition to his career as a cellist, he has studied conducting with acclaimed Finnish maestro, Prof. Jorma Panula.