Robert Greene, the renowned American author known for his books on strategy, power, and seduction, is primarily fluent in English. In addition to English, he has reportedly studied several other languages, including French and Italian. His knowledge of these languages has undoubtedly influenced his research and understanding of historical figures, which he often references in his writings. Greene’s ability to access texts in their original languages allows him to provide a more nuanced perspective in his works. Ultimately, while English remains his primary language for communication and writing, his grasp of other languages enriches his literary contributions.