Chris Arnade received his PhD in physics from Johns Hopkins University in 1992. He spent the next 20 years working as a trader on Wall Street, building credit models, and trading options, bonds, credit derivatives, interest rates, and FX. He left trading in 2012 to focus on photography. His “Faces of Addiction” series explores addiction in the south Bronx neighbourhood in New York City. In 2016, he traveled over 100,000 miles across the United States to interview Donald Trump supporters in poor, neglected, and suffering communities.