Contact Us Diana R. Tomchick, Ph.D. Director, Professor 214-645-6383 diana.tomchick@utsouthwestern.edu Zhe (James) Chen, Ph.D. Co-Director, Professor 214-648-1207 zhe.chen@utsouthwestern.edu Yang Li, Ph.D. Assistant Professor 214-645-5849 yang2.li@utsouthwestern.edu Yan Han, Ph.D. Assistant Professor 214-645-9888 yan.han@utsouthwestern.edu Aronovich Research Associate 214-645-6382 helen.aronovich@utsouthwestern.edu