Sr Frankie SO obtained a Higher Diploma in Building and Surveying from the Hong Kong Polytechnic in 1975. After graduation, he worked for 3 large quantity surveying firms and was qualified as a Chartered Quantity Surveyor in 1980. His work experience covered pre and post contract services for building and civil engineering works in both private and public sectors.

He then worked for his alma mater, the Hong Kong Polytechnic between 1988 and 2014. His scope of works included, amongst other things, cost control of capital projects and maintenance works as well as space management of the entire university. After retirement, he also worked for a property management company and an architectural firm as a maintenance manager and quantity surveyor respectively. He is now a director of LESK Solutions Co., Ltd.

Frankie is a Founding Member of Hong Kong Institute of Surveyors, the President of HKIFM 2003/04 and the Chairman of FM Professional Group Committee of RICS HK 2009/2013.  He was the Nominated Director of BSL in 2012 and has been an Elected Director of BSL since 2013.