He holds a PhD degree from Hong Kong Baptist University. His research interests include online consumer behaviours (e.g., online consumer engagement), organizational and societal implications of IT use (e.g., workplace cyberdeviance), social media (e.g., adoption of social networking sites), and e-commerce (e.g., the sharing economy). He has organized tracks and mini-tracks on related topics in international conferences. He has published in international journals such as Information & Management, Journal of the American Society for Information Science and Technology, Electronic Commerce Research and Applications, and Journal of Marketing Analytics. Zach serves as an Associate Editor in Internet Research.