Ivan is an experienced Chromatic Harmonica Teacher. He is devoted in cultivating the spirit of “Passing the Torch” of harmonica culture in local educational institutions, including City University of Hong Kong, The Education University of Hong Kong, King's College, St. Paul’s Co-educational College, Hotung Secondary School and King’s College Old Boys' Association Primary School. He has participated in various local and international harmonica competitions and attained more than 20 awards. Top awards include Champion in Duo (Adult) in World Harmonica Festival (WHF) 2009. Since 2014, Ivan has been appointed as an adjudicator and invited as guest performer in WHF, Asia Pacific Harmonica Festivals, Seoul International Harmonica Festivals and Taiwan Harmonica Music Competition.

Ivan is currently the Chromatic Harmonicist of Perfect Fourth Harmonica Quartet. He is also one of the very first Hohner Harmonica Service Technicians from Hong Kong. Since 2011, Ivan has been appointed as the Director of Hong Kong Harmonica Association (HKHA). Since 2018, He has been appointed as Vice Chairman of HKHA.