Georg Heigold received the Diplom degree in physics from ETH Zurich, Switzerland, in 2000. He was a Software Engineer at De La Rue, Berne, Switzerland, from 2000 to 2003. From 2004 to 2010, he was with the Computer Science Department, RWTH Aachen University, Aachen, University. Since 2010, he has been a Research Scientist at Google, Mountain View, CA. His research interests include automatic speech recognition, discriminative training, and log-linear modeling.