Yu received her Bachelor of Arts (Hons) in Music from the Chinese University of Hong Kong. She majored in vocal performance under the tutelage of Ms. Clara Yip. She also received her Master of Education, majoring in Administration and Leadership in 2008. She has been the Head of the Music Department as well as the choir conductor and music director at Heep Yunn School since 1996. Under her leadership, choristers of Heep Yunn School have achieved outstanding results at local music festivals and international competitions. The Heep Yunn School Choir won the best girls’ choir trophy and was named the most outstanding choir in both 2018 and 2019 in the Hong Kong Schools Music Festival. In 2018, the Choir won Gold Prize in the 1st Tokyo International Choir Competition in the Children’s Choir Category and rank second in the category. The choir also won Grand Prix prize in the International Youth Music Festival I 2016 from Bratislava, Slovakia. After more than three-years isolation due to the COVID-19, Yu and the Heep Yunn School Choir joined the 12th World Choir Games in Gangneung in July 2023 and came back with two Gold Medals in two championship competitions. Yu is also one of the conductors of the community choir Ko Chorus. In conserted efforts with Ms. Nancy Cheng and Mr. Simon Leung, Ko Chorus came second in the Folklore Music Category with Gold Prize in the 6th Tokyo International Choir Competition in 2024.
In the past decades, she is grateful and privileged to understand the global development of choral music through learning with great choral masters: Ragnar Rasmussen, Ursa Lah Rasmussen, Ko Matsushita, Zoltán Pad, John Rutter, Paul Phoenix. Yu is passionate in choral singing and education especially in women chorus and equal voices chorus.