The Chemical and Biomolecular Engineering Department held the annual “Fourth-Year Graduate Student Symposium’’ on Friday, May 6th. A total of 14 Ph.D. students presented their research work in a variety of important areas including: energy & environment, reaction engineering and catalysis, machine learning, process control, advanced materials, and biomolecular engineering. Mohammed Alhajeri, from Professor Christofides’ lab, received the best presentation award for his presentation titled “Partially-connected Machine Learning Modeling for Predictive Control of Nonlinear Chemical Processes”. The second-best presentation award was awarded to Zheng Cao, from Professor Lu’s lab, for his presentation titled “An antioxidant enzyme therapeutic for COVID-19”. The Symposium was organized by the Department Vice Chair, Professor Sautet, and the third-year doctoral students.