Siddharth Kara is an author, researcher, and activist on modern slavery. He is a British Academy Global Professor and an associate professor of human trafficking and modern slavery at Nottingham University. Kara is the author of Sex Trafficking: Inside the Business of Modern Slavery (2008), which won the Frederick Douglass Book Prize and inspired the film Trafficked (2017), and Bonded Labor: Tackling the System of Slavery in South Asia (2012), both from Columbia University Press. His most recent book is Cobalt Red: How the Blood of the Congo Powers Our Lives (2022).