Walid Krichene received his Ph.D. in Electrical Engineering and Computer Sciences from the University of California at Berkeley. His research focuses on optimization theory and differential privacy, and their applications to recommendation systems. He received the M.S. in Applied Mathematics from the Ecole des Mines Paristech and the M.A. in Mathematics from the University of California, Berkeley. He previously worked at Criteo labs, the CDC department at Caltech, and the CAOR group at the Ecole des Mines. Walid received the Best Paper Award at KDD 2020, the Leon Chua Award for outstanding achievement in nonlinear science, the Valedictorian Prize for the Tunisian Baccalaureate, and a Bronze Medal at the Pan African Math Olympiads.