Caleb Hatler is a Mechanical Engineering PhD student at the University of Wisconsin Madison. His primary work is development of tungsten and tungsten-high-entropy alloys for use in fusion and radiation environments. This work is primarily done through arc-casting, high-throughput additive manufacturing, and irradiation testing of materials. Caleb has a B.S. in Mechanical Engineering from LeTourneau University and several years of experience working with Los Alamos National Laboratory.