Stefan Gerhardt Stefan Gerhardt Title Senior Managing Research Physicist Bio/Description Fusion energy, Plasma diagnostics, Plasma physics, Stellarators, Tokamaks Stefan Gerhardt is head of Experimental Research Operations for the National Spherical Torus Experiment-Upgrade (NSTX-U). He operates numerous diagnostics on NSTX-U, along with designing plasma control schemes and running physics experiments. He has previously worked on a wide variety of fusion machines, including spherical tokamaks, stellarators, and field-reversed configurations. Gerhardt won the Fusion Power Associates 2016 Excellence in Fusion Engineering Award. Selected Publications ORCID