Juan Meza has been appointed the new division director of the National Science Foundation (NSF)’s Division of Mathematical Sciences (DMS). Meza served most recently as the dean of the University of California, Merced’s School of Natural Sciences. His remarkable career spans over three decades, with leadership and management experiences in industry, academia, and national laboratories. He was a Distinguished Member of Technical Staff at Sandia National Laboratories and department head and senior scientist of high-performance computing research at Lawrence Berkeley National Laboratory. Meza was also a member of both the NSF’s Advisory Committee for Mathematical and Physical Sciences and the Advisory Committee for Cyberinfrastructure, as well as multiple Committees of Visitors for the DMS. He has served on the board of directors for the National Academies of Sciences, Engineering, and Medicine’s Board on Mathematical Sciences and its Applications, the Society for the Advancement of Chicanos/Hispanics and Native Americans in the Sciences, and the American Association for the Advancement of Science Council, representing the Section on Mathematics. Meza holds both a bachelor’s and master’s degree in electrical engineering, and a master’s and Ph.D. in computational and applied mathematics, all from Rice University. He is a former member of SIAM’s Board of Trustees.