John Krumm graduated from Carnegie Mellon University in 1993 with a PhD in robotics and a thesis on texture analysis in images. He worked at the Robotics Center of Sandia National Laboratories in Albuquerque, New Mexico for the next four years. His main projects there were computer vision for object recognition for use in robots and vehicles. He has been at Microsoft Research in Redmond, Washington, USA since 1997, and is currently a principal researcher. His research focuses on understanding peoples' location and how to use that information to benefit the user. He holds 54 U.S. patents. Dr. Krumm was a PC chair for UbiComp 2007, ACM SIGSPATIAL 2013, and ACM SIGSPATIAL 2014, served on the editorial board of IEEE Pervasive Computing Magazine and as a coeditor in chief for the Journal of Location Based Services. He currently serves on the editorial board of the Journal of Location Based Services and as an associate editor for ACM Transactions on Spatial Algorithms and Systems.