Dr Lim remains active in research, and continues to run the Skin Cell Research Group laboratories at the National University of Singapore with Dr Phan Toan Thang. He was the first Singaporean to present his research work at the North American Plastic Surgery Research Council, and received the Saleh M Shenaq International Research Award for his ground breaking work on scar and keloid biology. He has also been Co-Author to the Young Scientist Award by the Singapore National Medical Research Council for an unprecedented 2 consecutive years. His work was presented at the Gordon Scientific Conference- rated the highest level international research conference, in 2003.
Dr Lim is currently the only Singaporean Full Active Member of the North American Plastic Surgery Research Council, as is also a Founder and Medical Director of Singapore Biotech companies Cell Research Corporation and CordLabs, both of which focus on stem cell research.