John Langford (computer scientist)
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For other persons named John Langford, see John Langford (disambiguation).
Dr. John Langford is a Senior Researcher at Yahoo! Research.
His work includes research in machine learning, game theory, steganography, and Captchas. He was previously a Research Associate Professor at the Toyota Technological Institute in Chicago. He has worked in the past at IBM's Watson Research Center in Yortown, NY under the Goldstine Fellowship. He earned a PhD in computer science from Carnegie Mellon University in 2002 and a Physics/Computer Science double major from CalTech in 1997.