Root Wireless Raises $3.25M Series B

Bellevue, WA-based Root Wireless, a maker of technologies that analyze and map the performance of cellular networks and devices, announced today it has closed $3.25 million in Series B funding co-led by Fred Warren and Oliver Grace, Jr. Also participating in the round were existing investors Scott Anderson, Jack Roberts and John Stanton. Root Wireless formed a partnership last month with CBS Interactive to allow the tech news site CNET to post maps of cellular network strengths and weaknesses. The startup, led by CEO Paul Griff, currently tracks network performance in eight metro areas around the U.S., and is mapping 12 more. News of the funding was first reported by TechFlash.

Author: Gregory T. Huang

Greg is a veteran journalist who has covered a wide range of science, technology, and business. As former editor in chief, he overaw daily news, features, and events across Xconomy's national network. Before joining Xconomy, he was a features editor at New Scientist magazine, where he edited and wrote articles on physics, technology, and neuroscience. Previously he was senior writer at Technology Review, where he reported on emerging technologies, R&D, and advances in computing, robotics, and applied physics. His writing has also appeared in Wired, Nature, and The Atlantic Monthly’s website. He was named a New York Times professional fellow in 2003. Greg is the co-author of Guanxi (Simon & Schuster, 2006), about Microsoft in China and the global competition for talent and technology. Before becoming a journalist, he did research at MIT’s Artificial Intelligence Lab. He has published 20 papers in scientific journals and conferences and spoken on innovation at Adobe, Amazon, eBay, Google, HP, Microsoft, Yahoo, and other organizations. He has a Master’s and Ph.D. in electrical engineering and computer science from MIT, and a B.S. in electrical engineering from the University of Illinois, Urbana-Champaign.