Weikuan Gu received his PhD from Cornell University in 1994 and joined the University of Tennessee Health Science Center as an assistant professor in 2002. Dr. Gu's lab has developed an integrated strategy for the positional cloning of genes, a strategy which has been successfully applied to clone several genes from spontaneous mouse mutations. Yongjun Wang received his MD from Hebei Medical College in 1982 and his MBA from Peking University in 2004. Dr. Wang joined Beijing Tiantan Hospital in 2000 and now serves as the vice president of the hospital.