Dr. Welton Chang is co-founder and CEO of Pyrra Technologies. Most recently he was the first Chief Technology Officer at Human Rights First and founded HRF's Innovation Lab. Prior to joining HRF, Welton was a senior researcher at the Johns Hopkins Applied Physics Laboratory where he led teams and developed technical solutions to address disinformation and online propaganda. Before joining APL, Welton served for nearly a decade as an intelligence officer at the Defense Intelligence Agency and in the Army, including two operational tours in Iraq and a tour in South Korea. Welton received a PhD and MA from the University of Pennsylvania, an MA from Georgetown University, and a BA from Dartmouth College.