Colin Wahl joined the Applied Numerical Algorithm Group following his graduation with a B.Sc. in Mathematics and Physics from the University of Wisconsin-Madison in 2016. He is currently a Ph.D. candidate in the Applied Science and Technology program at the University of California, Berkeley advised by Phil Colella. Colin is broadly interested in high performance computing with a focus on numerical methods used in computational physics and engineering. He is currently working on efficient high-order particle-in-cell methods with applications to plasma physics and astrophysics.