Heili Rosin-Leivategija was born in Estonia and growing up in a musical family, she began the piano at the age of four. Later discovering the flute, she went to study in Tallinn Music High School with Mihkel Peäske, soloflutist of the Estonian National Symphony Orchestra. Her studies later continued in Hochschule für Musik Freiburg with Felix Renggli, Conservatorium van Amsterdam with Kersten McCall and Vincent Cortvrint (piccolo) and Zürcher Hochschule der Künste with Maria Goldschmidt-Pahn, Pamela Stahel (Piccolo), Sabine Poyemorel and Haika Lübcke (Piccolo). She has been taking part in various masterclasses all over Europe with Renate Greiss-Armin, Peter- Lukas Graf, Pirmin Grehl, Michael Faust and many others. Since 2017 she has been an active participant in the International Piccolo Festival in Grado having the chance to develop her piccolo playing with Jennifer Gunn, Nicola Mazzanti, Sarah Jackson as well as giving solo recitals herself.
Her first professional orchestra experience started by winning the audition as a principal flutist at the age of 19 in Estonian National Opera and a year later in Estonian National Symphony Orchestra. In 2011 she was appointed as solo flautist in the Baltic Sea Philharmonic Orchestra (conductor Kristjan Järvi), solo flute/piccolo in Estonian Festival orchestra founded by Paavo Järvi and in 2013 she became a member of Gstaad Festival Orchestra (Menuhin Festival) in Switzerland. She was also a co-founder of her woodwind quintet called Basel Philharmonic Quintet which was the first permanent chamber music ensemble comprised from Menuhin festival. In 2018 she won her first audition as a solo-piccolo in Noord-Nederlands Orkest in Holland and is currently enjoying her freelance career in many leading orchestras in Germany, such as SWR Stuttgart Symphonieorchester, Bamberger Symphoniker, Gürzenich Orchestra Cologne, MDR Symphonieorchester Leipzig, Theater Chemnitz etc.
Heili Rosin has been very successful in several competitions. She won the 1st prize and the special prize for the best performance of A.Kchachaturian concerto at the III International Contest-festival Renaissance in Armenia (2011), 1st prize in category piccolo at “Severino Gazzelloni Flute Competition” in Italy (2017) and 1st prize the National Flute Association “Piccolo Artist Competition” in the USA (2018).
Since 2020 she has been teaching in Eller music school and has appeared as a guest teacher in Estonian Flute Association summer courses.