STS is the principal trainer and founder of STS Academia. He provides training and consultancy on Infection Control, Quality & Safety to hospitals and institutions in Singapore and the region. STS had worked previously as a chief infection control officer at a private hospitals group in Singapore for more than 10 years and served as a lecturer at the group's hospital college. He was an adjunct lecturer at Flinders University, Master of Health Administration program conducted in Singapore from 2012 until 2022.