Jay Johnson earned his Ph.D. degree in physics from the Massachusetts Institute of Technology and has held research positions at University of Alaska, Massachusetts Institute of Technology, and Princeton Plasma Physics Laboratory, where he served as Principal Research Physicist, co-director of the Princeton Center for Heliophysics, and Head of Space Physics from 2005-2016. He is currently a professor in the Department of Engineering and Computer Science at Andrews University, Michigan. He has published over 70 papers on theoretical plasma physics with emphasis on applications to space plasmas.