李羽翹博士先後畢業於香港演藝學院、香港教育大學 (前身為香港教育學院)、浸會大學，分別獲頒演藝表演文憑及音樂學士學位、文學碩士及教育博士學位。 李氏主修長號演奏，師承白榮輝、鄧偉林，Rodger Cutts 及 Jarod Vermette。除長號演奏外，李氏亦隨麥偉鑄教授學習電子音樂及音樂資訊科技運用，以及香港小交響樂團音樂總監葉詠詩小姐學習管弦樂指揮法。其後於浸會大學隨陳國平教授學習電腦音樂。攻讀博士學位時，曾隨梁慕信教授及梁寶華教授學習博士論文寫作。

李氏曾出任多間本地學校音樂課程顧問及並從事音樂教育工作，擅於協助學校編排各種音樂課程，尤以如何把器樂訓練及引導學生在音樂學習上運用批判性思考為其專長。李氏曾經帶領不同樂團參與本地及海外比賽及音樂交流。分別於 2001及 2011年兩度帶領香港教育學院管樂團遠赴台灣參加嘉義國際管樂節及2002年參加中國廣州舉辦之亞太管樂節表演。 隨後分別帶領不同學校到訪過上海、北京、濟州島、台北、高雄、東京等地交流及比賽。並與當地著名管樂家分享音樂知識。近年，李氏屢獲不同音樂機構邀請出任音樂比賽評判，與年青樂手分享心得。李氏亦走訪不同學校及機構，把他在批判思考上的研究與同工分享，介紹如何在不同的教學範疇上加入批判思考，為學校設計STEAM課程。

李氏為少數於音樂教育及演奏雙線發展的本地音樂家。李氏曾為香港泛亞管弦樂團首席長號手、聯合校友樂團指揮、眾樂團指揮及主席等。李氏現為香港教育大學兼職講師。

Dr. Raymond Lee, Yu-Kiu, receives the Bachelor of Music (Honors) from Hong Kong Academy of Performing Arts, the Master degree of Music Education in IT music from Hong Kong Baptist University, and the doctoral degree in music education from the Education University of Hong Kong. In his early years, Dr. Lee studied performance in trombone with Mr. Pak Wing Fai, William Damon, Rodger Cutts and Jarod Vermette at the Academy, conducting technique with the music director of HK Sinfonietta, Miss Wing-Sze Yip, electronic music and music IT with Mr. Mak Wai Chu and Dr. Chen Kwok Ping. He then studied with Prof. Samuel Leong and Prof. Leung Bo Wah for his Doctoral dissertation.

Since 2000, Dr. Lee has been invited by the All-Japan Band Association to be the overseas guest in the All-Japan Band Competition Final. Dr. Lee has been serving as the music journalist of the two renowned Japanese music publishers, Music Eight and Rocket Music. He is also appointed as the music consultant of "Tereasa Tang's Collection for Wind Orchestra" by the Japanese music publisher Brain Music. Regarding to Dr. Lee’s professional knowledge in the pedagogical approach of critical thinking through music teaching, he shares his findings to many local schools and helped them to establish school-based music programs. In 2001 and 2011, he led the HKIED symphonic band to perform in the Taiwan Chiayi International Wind Festival, and in 2002, the Pan Asia Wind Festival. In the spring of 2018, he was invited by Rocket Music for the third time, to publish an article about the development of Hong Kong band music education in its online journal, Music People vol. 30. Currently, Dr. Lee is the music and deputy director of Shiny Winds and Joint Alumni Band, guest lecturer and lower-brass tutor in the Education University of Hong Kong.