Ephraim Rusu is a Research Software Engineer at Lawrence Livermore National Laboratory. With an educational background in applied mathematics and computational science, he has worked on several different coding projects at the lab in various roles ranging from software development to project management to machine learning research. He developed the Reinforcement Learning library Abmarl, a simulation framework enabling rapid algorithm development and benchmarking. He currently works in supporting and developing research software for a variety of applications and clients.