Lee Kin Lun Rex graduated from Hong Kong Education University , majoring in Clarinet. He obtained his Master of Arts in Music from Hong Kong Baptist University. He is a founder of Hong Kong Post-Modern Orchestra Association and Hong Kong Post-Modern Philharmonic Orchestra and Youth orchestra to encourage the all ages ranges students have equal opportunity to receive the ensemble training in Hong Kong. Currently he is a conductor of Hong Kong Post-Modern Philharmonic Orchestra.
Lee received his conducting training in Europe. The conducting mentors include Alim Shakh (Russia), Martin Sieghart(Austria), James Judd(UK) and Sigmund Thorp(Norway) and conducting the orchestras such as Moravian Philharmonic, South Czech Philharmonic, West Bohemian Symphony Orchestra, Kalovy Vary Symphony.
In addition, Lee also dedicated to music education. He was appointed as Conductor and Woodwinds teacher in the colleges at Hong Kong.