Sean Chester is the Technical Director of Apex Environmental – a leading environmental company in South Africa. Apex Environmental is a Department of Employment and Labour Approved Inspection Authority, and specialises in helping clients with their legal obligations and protecting the health of their employees and the public in general.

Sean Chester holds an MPH in Occupational Hygiene from Wits University and is a Registered Occupational Hygienist and a Registered Senior Assessor at the Southern African Institute for Occupational Hygiene (SAIOH).

He is an honorary lecturer at the University of KwaZulu-Natal. Sean serves on the the national Department of Health’s  and the KwaZulu-Natal provincial governments’ COVID-19 task teams.