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Home / Biography / Welton Chang

Welton Chang

Chief Technology Officer

Dr. Welton Chang is Chief Technology Officer at Human Rights First. Prior to joining Human Rights First, Welton was a senior researcher at the Johns Hopkins Applied Physics Laboratory (APL) 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. 


November 23, 2020
Twitter’s recent announcement that President Trump’s account will lose special “public interest” protections was met with mixed reactions— from “too little, too late” to “look at how biased...
June 11, 2020
The Harvard College Data Analytics Group, under the auspices of Human Rights First, today launched Detained In Danger (, a database that tracks COVID-19 in ICE detention...