Ren teaches skills and lecture courses in public relations, including PR principles and practices, PR research methods, PR writing, PR case studies and PR campaigns.
He has worked for 10 years in the PR industry, including five years at Weber Shandwick Beijing serving as a senior consultant and later account supervisor for clients with a global presence. His major clients included Pfizer, Bayer Healthcare, Merck, P&G, Norvatis, Nestle, BMS, L’Oreal, IKEA, Electrolux, Intel, Ericsson, Juniper Networks and NVIDIA.
His research concentration is health communication and mass media processes and effects. His research has consistently focused on strategic health communication approaches to prevent disease and reduce disease-related stigma, particularly HIV/AIDS stigma.