Xujie Si will be starting as an Assistant Professor in the School of Computer Science at McGill University in winter 2021. He completed his Ph.D. in Computer and Information Science at the University of Pennsylvania in 2020. Before that, he received his M.S. degree from Vanderbilt University in 2014 and his B.E. degree (with Honors) from Nankai University in 2011. He was a research scientist intern in the Robust AI team at DeepMind in 2019.