Best known for his role in capturing the most notorious spy in United States history, Robert Hanssen, Eric O’Neill is a cybersecurity authority, engaging keynote speaker, former FBI counterterrorism and counterintelligence operative, attorney, and national security strategist. He is the bestselling author of Gray Day, and the inspiration for the film Breach, in which he was portrayed by actor Ryan Phillippe. O’Neill is the founder of The Georgetown Group, a premier investigative and security services firm, and serves as a national security strategist for cybersecurity companies.