Brian Callahan is a Lecturer in ITWS. His research covers fields such as marginalized experiences in the technology sector, cybersecurity of robotics and operating systems software, and the design, implementation, and long-term maintenance of digital humanities software suites. Callahan oversees the Information Security and Science & Technology Studies concentrations for undergraduates and the Information Security concentration for graduates. He is a developer for the OpenBSD operating system, which ties his professional experiences together with his teaching.