IEEE International Symposium on Dynamic Spectrum Access Networks
13–16 May 2024 // Washington, DC


All keynotes are in the Madison room, with overflow in the Adams room


Tuesday 8:30am – 9:30am: Preston Marshall and Tom Powers

Wednesday 8:30am – 9:30am: Dave Willis

Thursday 8:30am – 9:30am: Giulia McHenry and Tom Hazlett

Tom Power, General Counsel, CTIA


Tom Power is Senior Vice President and General Counsel of CTIA – The Wireless Association, a position he assumed in January 2015. Tom oversees regulatory and legal affairs for CTIA, the association representing the wireless industry.

Previously, Tom served as the U.S. Deputy Chief Technology Officer for Telecommunications at the White House Office of Science and Technology Policy from August 2011 until December 2014. As Deputy CTO, Tom helped develop and coordinate Administration policy on telecom and technology issues. Before joining OSTP, Tom served for more than two years as the Chief of Staff of the National Telecommunications and Information Administration at the U.S. Department of Commerce. At NTIA, Tom provided policy and managerial direction for a wide range of agency activities, including spectrum, Internet policymaking, and Recovery Act broadband grant programs.

Between 2000 and 2009, Tom served as General Counsel of Fiberlink (now an IBM company) in Blue Bell, Pa. From 1994 - 2000, he served in supervisory roles at the Federal Communications Commission before being named Senior Legal Adviser to FCC Chairman William Kennard, advising the chairman on broadband, common carrier, and mass media matters. Before joining the FCC, Tom was a telecommunications and litigation partner at the law firm of Winston & Strawn. He received his undergraduate and law degrees from the University of Virginia.

Preston Marshall, Director of Wireless Standards and Policy, Google


Dr. Preston F. Marshall is an Engineering Director at Google, and is the Director Wireless Policy and Standard, responsible for spectrum access technology and future wireless systems. He is one of the leaders in spectrum sharing, having run the initial work in the  Defense Advanced Projects Agency (DARPA) XG project; continued this research at USC ISI, and then commercialized it at Google.  He is chairman of the Board of the OnGo (CBRS) Alliance, and co-chair of the Spectrum Sharing *CBRS) Committee of the Wireless Innovation Forum.  He was one of the co-founders of the DYSPAN Conference series.

He has been heavily involved in wireless technology and policy, including: Wireless Program Manager at DARPA, Deputy Director of the Information Sciences Institute (ISI) at the University of Southern California, a Research Professor at USC’s Electrical Engineering Department, a contributor to the President’s Council of Advisors on Science and Technology (PCAST) spectrum study that led to the CBRS band. His most recent book was “Three Tier Shared Spectrum, Shared Infrastructure, and a Path to 5G”, by Cambridge University Press), as well as two prior technical books on Cognitive Radio. He has an upcoming work “Evolving to 6G: The Case for the Next Approach to 6G”. 

David Willis, Group Director of Spectrum, OFCOM


Over 30 years of experience in the telecom industry working in both the private and public sectors in a variety of executive and technical leadership positions.  Most recently Group Director Spectrum at Ofcom, President of the Communications Research Centre (Canada), and Senior Director for Spectrum Engineering at Innovation Science and Economic Development (Canada).  Prior to that David held significant product leadership roles in BlackBerry’s handset business and Nortel’s Optical and Network Management business units.

Thomas Hazlett, Hugh Macaulay Endowed Professor of Economics, Clemson University


Thomas Hazlett is Hugh H. Macaulay Endowed Professor of Economics at Clemson University, and has previously held positions at U.C. Davis, George Mason University, the Wharton School, and as Chief Economist of the FCC.  His expertise is in law and economics, communications markets, and government regulation.  He has been awarded the Jefferson Science Fellowship by the National Academy of Sciences, and is a co-principal investigator of SpectrumX, a project of the National Science Foundation.  He has published articles in the Journal of Law & Economics, the RAND Journal of Economics, the Journal of Financial Economics and Columbia Law Review, as well the Wall Street Journal, N.Y. Times, Slate, The Economist, Reason, The New Republic, and Barron’s, and was a New Economy Policy Forum columnist in the Financial Times.  Hazlett’s most recent book is, The Political Spectrum: The Tumultuous Liberation of Wireless Technology, from Herbert Hoover to the Smartphone (Yale, 2017).

Giulia McHenry, Chief, Office of Economics and Analytics, FCC


As Chief of OEA, Giulia leads this Office which is responsible for expanding and deepening the use of economic analysis into Commission policy making, enhancing the development and use of auctions, and implementing consistent and effective agency-wide data practices and policies. Giulia joined OEA in 2018 after serving for three years as Chief Economist of the National Telecommunications and Information Administration (NTIA). She is an expert in the economics of the Internet, telecommunications, and media. She has advised and written reports on a range of issues including broadband policy, adoption and access; the digital economy; and the economics of spectrum and spectrum management.

Prior to joining NTIA, Giulia was a Senior Associate at The Brattle Group, where she focused on telecommunication matters, prepared expert reports and coauthored papers related to spectrum management and valuation, broadband deployment, regulatory proceedings, Universal Service Fund, and competition policy. Giulia received her Ph.D. in economics from the University of Maryland in 2009. She specialized in microeconomics, both applied and empirical methods, focusing on network theory and industrial organization. Her dissertation addressed issues related to social networking and entrepreneurship success.