Gerald Penn is a Professor of Computer Science at the University of Toronto, and a Fellow of Computer Science at St. Michael's College. His research interests are spoken language processing and computational linguistics. He is a senior member of IEEE and AAAI, and a past recipient of the Ontario Early Researcher Award. His joint work with Geoffrey Hinton and Hui Jiang on signal processing with neural networks revolutionized acoustic modelling for speech recognition systems, and received the IEEE Signal Processing Society's Best Paper Award. He has led numerous research projects, including those funded by Avaya, Bell Canada, CAE, the Connaught Fund, Microsoft, NSERC, the German Ministry for Training and Research, SMART Technologies, the U.S. Army and the U.S. Office of the Director of National Intelligence.