Robert Ellis Title Chief Engineer Bio/Description Mechanical engineering for high-power radio frequency heating components and plasma diagnostics. Robert Ellis is the responsible engineer for diagnostics on the National Spherical Torus Experiment-Upgrade (NSTX-U), and mechanical engineer for radio frequency heating equipment for PPPL and collaborative laboratories. He has designed radio frequency heating equipment and diagnostics for fusion research centers that include the DIII-D tokamak at General Atomics, the Massachusetts Institute of Technology (MIT), the Joint European Torus (JET) in the United Kingdom, and the Korean Superconducting Tokamak Advanced Research (KSTAR) facility in South Korea. Selected Publications ORCID