Thomas Regin was born in 1976 in Elsinore, Denmark. At age 10 he began playing the piano and one year later he played his first public concert. At age 16 he was accepted to Skt. Annæ Gymnasium, the leading music high school in Denmark where he took music theory at the highest level. He studied piano with Swedish concert pianist Eva Sørensen while attending several master classes with among others Professor Peter Feuchtwanger, who was one of the first to really discover Thomas' talent for writing melodies.