In 1993, Nan returned to Hong Kong and entered La Salle College to continue his studies until Form Six.

After graduation in 2000, he returned to Hong Kong and worked as an office salesperson, while being a part-time musician for Harbour City and Fringe Club.

[1] During this time, he released some of his music online via MP3.com,[2] and he composed Sound from Above 樓上來的聲音 for Jacky Cheung and Mad about You for Joey Yung.

He released 3 consecutive EP albums namely Nan/Blue 藍, Yik 奕 and Pong 邦 depicting his early childhood and adulthood before beginning his singer-songwriter career.

2012 and 2013 were considered relatively successful period for Nan, as his digital single Cheers 為執著乾杯, released in 2012 summer, received his first ever number-one in the music charts (903 and TVB).

In May 2014, Nan took part in 903 id club concert with Miriam Yeung, Alfred Hui and Adason Lo.