David Aaron is a senior counsel at a global law firm and a visiting professor of government at Wesleyan University. A leading expert on national security, cybercrime, and cybersecurity law, Aaron brings his deep experience from government and the private sector to both undergraduate students and private-sector clients. Before entering private practice, Aaron served as an assistant district attorney in Manhattan for five years and spent 16 years in the U.S. Department of Justice National Security Division, where he prosecuted Espionage Act and cyber cases in the Counterespionage Section, oversaw the implementation of Foreign Intelligence Surveillance Act authorities in the Office of Intelligence, and represented the DOJ in interagency national security processes in the Office of Law & Policy. Aaron has published articles in legal and industry periodicals, contributes regularly to the Just Security blog, and has appeared in national television and print media. He also hosts episodes of Just Security’s What Just Happened podcast series. Aaron received a JD from Fordham University School of Law, a master’s degree in cybersecurity from Brown University, and a BA from the College of Social Studies at Wesleyan University.