Josh Lemaitre is the founder and managing partner of Sinewa Research, where he leads research and portfolio strategy. With two decades of experience spanning product management, data science, and AI engineering across finance, legal, and retail, Josh brings a rigorous analytical framework to business analysis and investing. His work sits at the intersection of quantitative methods and long-form business analysis, with a focus on identifying durable competitive advantages in evolving market environments.

Prior to founding Sinewa Research, Josh held senior roles at Fidelity Investments, Thomson Reuters and Overstock.com, where he built and scaled data-driven products and teams. Josh holds a Bachelor of Science in Economics from Duke University and Master of Engineering in Operations Research from M.I.T. He lives outside of Boston, MA with his wife, two children, and dog.