李嘉齡早年勇奪第十五屆蕭邦國際鋼琴大賽第六名，足跡遍踏世界各地，合作過的樂團包括以色列愛樂、華沙愛樂及香港管弦樂團等。

2010 - 11 年樂季，嘉齡出任香港小交響樂團駐團藝術家， 作不同範疇的演出。她也是大型音樂節常客，參加的音樂節包括波蘭蕭邦國際音樂節（杜斯尼奇）、芬蘭艾斯普的樂誼國際音樂節和上海的當代音樂周。2019 年嘉齡在力圖爵士指揮下首次與倫敦交響樂團同台演出。

嘉齡就讀香港演藝學院期間師承黃懿倫教授，畢業後負笈漢諾威音樂、戲劇及媒體學院深造，師隨雅利·法迪。李嘉齡現為香港教育大學的榮譽駐校藝術家，並任教於香港演藝學院及香港浸會大學。她亦為 2018 年成立的香港電台室樂演奏家成員。

Hong Kong pianist Colleen Lee achieved international recognition after winning 6th Prize at the 15th International Fryderyk Chopin Piano Competition. She has performed extensively around the world in solo recitals, and with Orchestras such as the Warsaw Philharmonic Orchestra, the China Philharmonic Orchestra, the Israel Philharmonic Orchestra and the Hong Kong Philharmonic Orchestra.   She was the Artist Associate of Hong Kong Sinfonietta 2010 - 2011.  Colleen has appeared in major festivals including the Duzniki Festival in Poland, Musicus Fest in Espoo, Finland and Shanghai New Music Week. She made her début with London Symphony Orchestra under Simon Rattle in 2019.

Colleen Lee studied under Professor Eleanor Wong at The Hong Kong Academy for Performing Arts and with Arie Vardi at the Hochschule für Musik, Theater und Medien in Hannover.

As an enthusiastic chamber musician, she frequently appears in chamber music festivals and collaborates with renowned soloists and chamber groups including the Shanghai Quartet.  She is also a member of the RTHK Chamber Soloists formed in 2018.  She is currently the Honorary Artist-in-Residence of the Education University of Hong Kong and a member of the piano faculty at The Hong Kong Academy for Performing Arts and at the Hong Kong Baptist University.