Christopher is currently Senior Lecturer of Singapore Polytechnic Banking & Finance course, Director of SIAS Research and was Vice President of Securities Investors Association Singapore for 12 years. In his earlier career, Christopher had been chief futures dealer of Tat Lee Bank, Financial News Editor of Singapore Broadcasting Corporation and Head of Research of UOB Securities. He also contributed a weekly stock column for Lianhe Zaobao for nine years and occasionally wrote for Business Times and Straits Times.
Christopher also sits on several financial committees including Most Transparent Company Award Selection Committee (Chairman), Singapore Corporate Award (Annual Reports) Judging Panel and Accounting & Corporate Regulatory Authority (ACRA) Complaints & Disciplinary Committee.
He was awarded the Public Administration Medal (Bronze) in August 2005 for his contributions towards tertiary education.