Eri Kosaka is a Japanese translator specializing in English-language nonfiction. A graduate of Keio University's Faculty of Letters, she has translated a wide range of books on economics, history, politics, science, and contemporary social issues. Known for her clear, accurate, and highly readable translations, she has introduced many influential academic and general-interest works to Japanese readers. Her notable translations include "Cogs and Monsters," "The Nobel Factor," "The Marshall Plan," "A Mind at Play: How Claude Shannon Invented the Information Age," "Lab Girl," and "Outlive: The Science and Art of Longevity."