Alex Barnett is an applied mathematician and numerical analyst. He was a faculty member in the mathematics department at Dartmouth College for 12 years, becoming a full professor in 2017. He obtained his Ph.D. in physics at Harvard University, followed by a postdoctoral fellowship in radiology at Massachusetts General Hospital and a Courant Instructorship at New York University. His research interests include scientific computing, partial differential equations, integral equations, biomedical imaging, neuroscience, inverse problems and quantum chaos. Barnett is well known for numerical work in wave scattering, high-frequency eigenvalues, potential theory, periodic geometries and fast algorithms. He has received several grants from the National Science Foundation, received Dartmouth’s Karen E. Wetterhahn Memorial Award for Distinguished Creative or Scholarly Achievement, and won the XXI International Physics Olympiad.