Born in Sofia into a family of musicians, she began studying violin in her earliest infancy. By age seven she was performing in her first concert and at age twelve made her first concert tour in Zimbabwe. She has subsequently performed as a guest artist in Lisbon, New York and Tel Aviv, as well as numerous cities in Germany, Italy, Poland, France, the Netherlands, Argentina and Spain.

In 1994 she won a scholarship to the Escuela Superior de Música Reina Sofía in Madrid, where she studied for five years under Professor Zakhar Bron and his assistant Sergei Fatkouline. During this time she twice in a row received the prize for the most outstanding violin student from Her Majesty Queen Sofía of Spain. In 2002 she obtained her bachelor of music degree in violin from the Real Conservatorio Superior de Música in Madrid. Among her awards as a violinist are first prize at the Andújar international competition in Spain, and at the Svetoslav Obretenov and Klöster Schontal  competitions in Bulgaria and Germany respectively. She has performed as a soloist with symphony and chamber orchestras in venues like the Auditorio Nacional de Música in Madrid and the Concertgebouw in Amsterdam, as well as offering recitals at leading concert halls the world over. She has played lead violin with the Chamber Orchestra of the Escuela Superior de Música Reina Sofía under the baton of maestros such as Lorin Maazel, James Judd, Yehudi Menuhin or Zubin Mehta, with whom she performed as soloist at a concert later released on CD.

Ema Alexeeva is currently solo violinist with PluralEnsemble and assistant concertmaster with the Orquesta de la Comunidad de Madrid.

She has made a number of recordings for Bulgarian radio and television, Radio Nacional de España, Radio France and Germany’s NDR, and for music labels col legno (Munich), NEOS (Munich) and Verso (Madrid).