Greenberg is a polymath, entrepreneur, and mathematician, with a passion for improving human decision-making. He founded Spark Wave, a startup foundry which creates novel software products designed to solve problems in the world. He also founded ClearerThinking.org which offers free tools and training programs designed to help improve decision-making, increase positive behaviors, and reduce cognitive biases. Spencer has a Ph.D. in applied math from NYU, with a speciality in machine learning. Previously, he co-founded a quantitative investment firm, where he designed algorithms to make daily predictions about thousands of stocks. Spencer's work has been featured by numerous major media outlets including the Wall Street Journal, the Independent, Fast Company, and the Financial Times.
