Dr. Theodore (Tod) Sizer

Nokia Bell Labs
​Head, Optical System and Device Research Lab

Dr. Theodore (Tod) Sizer leads the Optical System and Device Research Lab in Nokia Bell Labs, leading teams innovating in all aspects of optical systems and devices for access, core, submarine, satellite, and data center communications. Prior to his current role, Tod led Wireless Research in Nokia Bell Labs for eight years, driving the vision and research of 5G.

Tod graduated from Amherst College and received his Master's and Doctorate in Optics from the Institute of Optics at the University of Rochester. In 2012, he received the Popular Science Breakthrough Innovation Award for the lightRadio invention.
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Tod is a Fellow of Bell Labs, WWRF, and IEEE. He is the author of 55 U.S. patents and is a member of IEEE and Optica.