Dr. Chen's leadership roles include directing NIEHS training program at the University of Arizona for 12 years, coordinating and teaching a large undergraduate course in pharmacology, and interacting with physicians worldwide to develop translational research projects. Under her leadership, the training program has gained yearly trainee positions from 9 to 12, operated with transparency, established External Advisory Board, supported students through University wide selection, balanced the number of trainees per laboratory, fostered training of leadership skills, and supported 45 predoctoral students and 15 postdoctoral fellows.