For Singapore schools:

Ms Sharmaine Teng
Email: smops@hc.edu.sg
Tel: 64665912

For overseas centres:

Mr Jeffrey Lim (Malaysia centres)
Email: jeffrey@hc.edu.sg
Tel: +65 64665912

Mdm Cheong Sew Wa (Taiwan, Hainan and Shanghai centres)
Email: cheongsw@hc.edu.sg
Tel: +65 64665912

Mr Joseph Tan (All other overseas centres)
Email: joseph@hc.edu.sg
Tel: +65 64683955