He graduated with a Ph.D. in Management Information Systems from the University of Arizona. His active research includes behavioral information security and human-computer interaction. In a behavioral information security context, he develops techniques for detecting and alleviating insider security threats - trusted members of an organization who pose an information security risk because of ignorance, negligence, or malicious intent. In a human-computer interaction context, Jeff’s research explores how to infer human states using computer input devices such as the computer mouse, keyboard, or touchscreen.