Rebekah Koffler is a Russian-born U.S. intelligence expert and author specializing in Russian military doctrine, strategy, and tactics. She is known for her in-depth analysis of Vladimir Putin's worldview and decision-making processes, often providing insights into Russia's foreign policy and potential threats to U.S. national security. Koffler previously worked as a senior intelligence officer for the Defense Intelligence Agency (DIA), focusing on Russia, and has since become a commentator and author, sharing her expertise on various platforms. Her book, "Putin's Playbook: Russia's Secret Plan to Defeat America," is a notable example of her work.