Dean Foster is a seasoned research scientist currently working at Amazon in New York City, focusing on projects related to large language models and reinforcement learning. They previously held the position of Principal Research Scientist at Yahoo Labs from 2014 to 2015 and have been a Senior Principal Research Scientist at Amazon since 2015. Dean has also served as the Marie and Joseph Melone Professor of Statistics at The Wharton School of the University of Pennsylvania since 1992 and was a professor of statistics at the University of Chicago Booth School of Business from 1988 to 1992. They earned a PhD in Statistics and multiple master's degrees from the University of Maryland, along with a Bachelor of Science in Biochemistry.
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