Ms. Tay Ai Cheng is the Deputy Chief Executive of the National Library Board, Singapore (NLB). She is also the Chief Librarian. She oversees the National Library, the National Archives, the Technology, Resource Discovery and Management and Volunteer Management and Corporate Social Responsibility arms of NLB.

Ms. Tay graduated from the University of Singapore and studied librarianship at the Polytechnic of North London, United Kingdom. She has held various positions within NLB, gaining invaluable diverse experience and knowledge . These positions include those in the reference library, the technical services, corporate services, the human resource divisions and the processing and warehousing services.

Ms. Tay was previously the Assistant Chief Executive (Public Libraries). She had then played a major role in developing new and existing libraries, services and programmes apart from directing the daily operations of over 26 public libraries. She was also in charge of national programmes such as Reading Initiatives and Community Partnerships and Outreach to promote reading and learning.

Active in representing Singapore and NLB internationally she was Chair, Secretary and Treasurer of the Metropolitan Libraries Section in the International Federation of Library Associations until recently. She was a panel member for the Access To Learning Award for the Bill and Melinda Gates Foundation. She is also a member of the inaugural International Network Of Emerging Library Innovators (INELI), initiated by the Bill and Melinda Gates Foundation.