Stephen Albert Johnston is the inventor of Calviri’s central technologies. In addition to Calviri, he has been a founder of Eliance, Inc. (Macrogenics), Synbody Biotechnology, and HealthTell (iCx), Inc. He is Director of the Arizona State University Biodesign Institute’s Center for Innovations in Medicine and Professor in the School of Life Sciences. He has ~ 200 peer-reviewed papers and holds ~45 patents. Prior to his appointment at ASU, he was Professor and Director of the Center for Biomedical Inventions at UT-Southwestern Medical Center and Professor of Biology and Biomedical Engineering at Duke University. He is a member of the National Academy of Inventors. Notable inventions and co-inventions include pathogen-derived resistance, the gene gun, organelle transformation, anybody therapeutics, immune signatures and high-density peptide arrays. With John Sanford, he invented the concept of immunizing with DNA and RNA (gene vaccines) over 30 years ago.