Dr. Xie is currently an academic editor for PLoS ONE, a JBC editorial board member, and a member of the American Association for Cancer Research. He received the Overseas-Scholar Award in 2003-2005 by The National Science Foundation of the People's Republic of China and he was awarded the Jonathan and Jennifer Simmons Professorship in 2009. Prior to Indiana University, he was an Associate Professor at the University of Texas Medical Branch, Galveston, Texas, and Associate Specialist at the University of California, San Francisco, California, where he also did his postdoctoral fellowship. The primary focus of Dr. Xie and his laboratory is to investigate signal transduction of the hedgehog pathway and its role in the development of cancers. Ultimately, his goal is to find ways to inhibit this pathway with small molecules in relevant human cancers.