Aya Tominaga holds a degree from the Toho Gakuen in Tokyo, in 1997. She recieved the Saitama prize in japan. The Following year she moved to Amsterdam to study with Prof. Matthijs Verschoor.
Tominaga has been finalist in the Leipzig Bach Competition and she has recieved the German publisher Bärenreiter ́s Urtext Prize.
In 2003 Aya Tominaga made her debut from the soloistclass of the Royal Academy of Music Århus. She is currently working as an accompanist and teacher at The Royal Academy of Music Aarhus and at Aarhus Music School.