Chief Scientist at Omniscien Technologies, Research Scientist at Facebook, and Professor at Johns Hopkins University. He is a leader in the field of statistical machine translation research with over 100 publications. Under his leadership, the open source Moses system has become the standard toolkit for machine translation in research and commercial deployment. Koehn led international research projects such as Euromatrix and CASMACAT. He received a PHD in computer science and was a postdoctoral research associate at MIT.