Ms. Roos embarked on her career in New York public and private schools, including the Brearley School and the Nightingale-Bamford School, where she served as Head of Music for 10 years. Her Nightingale-Bamford choir toured England and Italy, earning the top prize of Silver Medal at the International Choral Festival in Rome.

Ms. Roos was asked to form the International SIPA chorale at Columbia University, where she served as an adjunct professor. She was a visiting professor at the St. Paul’s Girls’ School in London. She also worked as a music instructor at Savannah College of Art and Design, and most recently took the Deerfield Academy choir and orchestra on tour to South Korea and Hong Kong. Ms. Roos’s academic choirs have been invited to perform at the American Choral Directors Association conference. She has conducted at numerous choral festivals, presiding over 2,000 singers at Estonian song festivals.   

Ms. Roos is an accomplished concert pianist, and has recorded for NPR, WNYC and WQXR. She studied chamber music and conducting at the Juilliard School, and holds Masters degrees in Music Performance and Music Education from the Manhattan School of Music. She is certified in Kodaly, Orff and Dalcroze teaching methods, and is fluent in French, German and Estonian.