SINGAPORE - Mr Gabriel Lim will be appointed Chief Executive Officer (Designate) of the Media Development Authority (MDA) with effect from Nov 17, and as CEO from Dec 8.

Ms Koh Lin-Net, who became CEO on Nov 1, 2012, will take on another leadership posting in 2015, said a Ministry of Communications and Information statement on Nov 3.

Mr Lim is the outgoing Principal Private Secretary (PPS) to Prime Minister Lee Hsien Loong, a position he took up in September 2011.

The statement said he assisted Mr Lee in discharging the responsibilities of his office. This included coordinating policy changes, managing inter-agency issues and strategic communications.

Before his appointment as PPS, he held positions including Director (Policy), Defence Policy Office, at the Ministry of Defence, where he helped strengthen Singapore's defence relations with foreign countries and organise the 10th Shangri-La Dialogue. He was also in the Ministry of Health, Public Service Division and Civil Service College.

The statement said that under Ms Koh's leadership, MDA focused on strengthening consumer protection, including safeguards for Pay TV consumers, parental controls of the Internet, and launch of the Safer Internet Day.

She oversaw the launch of the nation-wide digital TV initiative and spearheaded the Digital TV Assistance Scheme to help needy households manage the switchover to digital TV.

"Ms Koh had strongly advocated MDA's engagement and consultation with stakeholders in industry, the public and employees. She oversaw a strategic review of MDA's media industry development plans, with a clear focus on uplifting the quality of and market for local content, and consultations on changes to the Public Entertainment and Meetings Act," the statement said.

"Internally, she strengthened the organisational culture and put in place initiatives to enhance employee growth and engagement."

The ministry thanked her for her contributions and leadership.