John Callahan

John Callahan has extensive experience in the technology industry, serving in various roles such as Chief Technology Officer, Senior Computer Scientist, and Associate Director. John has worked at companies like Veridium, Johns Hopkins University Applied Physics Laboratory, and NASA IV&V Facility. John also has a background in academia, previously holding a tenured position as an Associate Professor at West Virginia University. John's academic qualifications include a Ph.D. in Computer Science from the University of Maryland.