Dr. Yu is an expert in DNA recombineering (Lambda-Red, CRISPR), Salmonella engineering, and bacterial-based cancer immunotherapy. Dr. Yu earned his BS degree from Shandong University, Jinan and Master degree from Sun Yat-Sen University, Guangzhou. Then, he went to Hong Kong to pursue his PhD study in Salmonella engineering.He earned his PhD degree from the University of Hong Kong in 2012. Thereafter, Dr. Yu received his postdoctoral training in Cancer immunotherapy, and focus on pet animalcancer therapy and animal welfare. Dr. Yu is the Inventor of YB1, and its named after him. YB1 stands not only for the first generation of engineered Salmonellafor immunotherapy, but also the top one technology in synthetic biology. His works in YB1 has been granted with US, EU, and CN patents.