Prof. Dr. Zhifei Zhang is currently a professor at the State Key Laboratory of Continental Dynamics, Shaanxi Key Laboratory of Early Life and Environments, and Department of Geology, Northwest University, Xi’an, China. He earned his Ph.D. at Northwestern University in 2006. He is currently the vice president of Northwest University. From 2009 to 2010, he was a visiting scholar at Uppsala University in Sweden. His research field focuses on the Cambrian explosion and crested wheel animals.