On March 21, 2017, Pelangi Publishing Group Bhd announced the appointment of Mr. Sum Lih Kang as Executive Director of the company. From the year 2015 to current, Mr. Sum Lih Kang is Deputy Managing Director of Penerbitan Pelangi Sdn. Bhd. Sum Lih Kang was Business Development Director of Penerbitan Pelangi Sdn. Bhd. from 2013 to 2015.