Dr. S. G. Cheung received his B. Sc. and Ph. D. from the University of Hong Kong. His current research interests include marine microplastic pollution and its effects on the behaviour and ecophysiology of marine invertebrates. Currently, he is also involved in the conservation of marine habitats and endangered species such as horseshoe crabs. With the support of the Ocean Park Conservation Foundation, he is actively participating in research and education outreach projects on the conservation of horseshoe crabs in Hong Kong. He is a founding member of the Horseshoe Crab Specialist Group under the IUCN and currently a member of the steering committee under the Species Specialist Group.

Dr. Cheung has published more than 150 SCI papers and co-edited two books on the conservation of horseshoe crabs published by Springer. Since 2010, he has secured over HK$12 million in research funding in the capacity of Principal Investigator or Co-Principal Investigator. His research findings on anti-predator responses in marine mussels have been reported in BBC Wildlife Magazine. He is a corresponding editor of an international journal Environmental Geochemistry and Health, and serves as an advisor in several government committees and research funding bodies.