Francis Yuen replaces Tan Cheng Bock as PSP secretary-general Toggle share menu Advertisement The Progress Singapore Party's new CEC includes eight new members. The new Progress Singapore Party Central Executive Committee decided on its office holders on Mar 31, 2021. (Photo: Facebook/PSP) 01 Apr 2021 12:50PM) Share this content Bookmark SINGAPORE: Mr Francis Yuen has been appointed the new secretary-general of the Progress Singapore Party (PSP), replacing Dr Tan Cheng Bock who will now take on the role as chairman of the party. PSP appointed its office holders on Wednesday (Mar 31) at a Central Executive Committee (CEC) meeting at the party's headquarters at Bukit Timah Shopping Centre, it announced on Facebook on Thursday.