Mr Lock Wai Han is the Chairman of the Media Literacy Council. He is the CEO of SGX-listed company OKH Global Ltd. Mr Lock also holds directorships on the Boards of Catalyst-listed Secura Group and the Singapore Sports School, and advises several technology start-ups. He served in the Singapore public sector for more than 20 years, during which he held various leadership roles in the Singapore Police Force and the Administrative Service, including Commissioner of the Immigration & Checkpoints Authority; Director of the Criminal Investigations Department and Deputy Secretary of the Ministry of Information, Communications & the Arts.