Since 2000 he has taught at Pooi To Middle School in Macao, and in the past few years, has taken to leading his students on field trips to investigate the area's history at urban historical sites.
2000 年起，他執起教鞭，在澳門培道中學教歷史。近幾年，他帶著學生走出教室，到市區各處古蹟探索歷史。