Stefan Riezler has been a researcher at the Palo Alto Research Center since 2001. He received his PhD in Computational Linguistics in 1998 from the University of Tübingen, Germany. His research focus is on machine learning techniques for statistical parsing, and on applications of deep statistical parsing to various tasks, including lexicon induction, sentence condensation, and recently, machine translation. Riezler's address is Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, CA 94304; e-mail: mailto:riezler@parc.com.