Ex-NLB manager gets jail for taking S$581,700 in bribes, among highest sums in public sector corruption Toggle share menu Advertisement Ex-NLB manager gets jail for taking S$581,700 in bribes, among highest sums in public sector corruption Advertisement Singapore Ex-NLB manager gets jail for taking S$581,700 in bribes, among highest sums in public sector corruption Low Pok Woen (left) and Ivan Koh Siong Wee leaving the State Courts on Aug 4, 2020. (Photo: TODAY/Ili Nadhirah Mansor) 29 Apr 2021 06:50PM) Share this content Bookmark SINGAPORE: A former manager at the National Library Board (NLB) was sentenced to jail and a monetary penalty on Thursday (Apr 29) for taking about S$581,700 in bribes over four years from a former employee of his who supplied resources to the statutory board.