Jeffrey is a Registered Optometrist with Ministry of Health, Optometrist and Optician Board. He graduated with a Diploma in Optometry from Singapore Polytechnic in 2004 and has over 16 years of experience practicing Optometry in the retail setting.

Over the years, he gained clinical experience by practicing as a Locum Optometrist in various hospitals from 2005 to 2010.

He specialises in Sports Vision after completing his Bachelor of Science in Exercise and Sports Science from Edith Cowan University, Perth in 2010. He designed and formulated the Sports Vision module for the Optometry Diploma programme in Ngee Ann Polytechnic and also serves as a Guest Lecturer.