Seok Hui is CEO of the Philanthropy Asia Alliance (PAA), a Temasek Trust initiative focused on collaborative philanthropy. PAA aims to catalyse collective action for a better world, and prime Asia as a force for the greater good.

Prior to joining Temasek Trust, she was CEO of the Singapore International Arbitration Centre (SIAC). During part of her tenure at SIAC, Seok Hui served concurrently as the first CEO of the Singapore International Mediation Centre (SIMC), and as a member of the board of SIMC.

Over the years, Seok Hui has worked in Singapore and Hong Kong with local and international law firms as a corporate, mergers and acquisitions, and securities lawyer, and has also served as General Counsel at multinational corporations. She is a graduate of the London School of Economics, qualified as a barrister, and is admitted as a solicitor in Singapore, Hong Kong SAR and England and Wales.