Matt Larsen, LLNL Matt Larsen is a computer scientist at Lawrence Livermore National Laboratory. He received his Ph.D. in computer science from the University of Oregon in 2016. He is the primary developer for ALPINE’s ASCENT in situ library, as well as a key contributor to VTK-m and VisIT. Matt’s research interests include rendering for visualization, performance modeling for visualization, and many-core architectures.