Rebekah Koffler is a Russian-born U.S. intelligence expert and author specializing in Russian military doctrine, strategy, and tactics. She served as a senior intelligence officer with the Defense Intelligence Agency (DIA) for over a decade, providing analysis and insights on Russian capabilities and intentions to senior policymakers. Koffler is known for her expertise in understanding the Kremlin's worldview and its implications for U.S. national security. Since leaving government service, she has worked as a consultant and commentator, frequently appearing in media outlets to discuss Russian affairs and security threats. Her book, "Putin's Playbook: Russia's Secret Plan to Defeat America," offers a comprehensive look at Russian strategy and its perceived vulnerabilities.