Panelist:

• FCC's Panel on "Innovating in Spectrum Access—Technological Advances and Other Approaches to Facilitate More Productive Spectrum Use" (part of FCC’s National Broadband Plan -- Spectrum Workshop), September 2009 
• UIUC's Illinois Wireless Systems Symposium 2007, September 2007

Selected Keynotes/Colloquia:  

• Law Seminars International, Conference on Wireless Broadband Developments, November 2011, "White Space Networking: The Road Ahead" (slides)
• Audio Engineering Society (AES), Pacific Northwest Section, October 2011, "WiFi, Whitespace, Wireless microphones: Can They Coexist?" (video)
• CS Colloquium, University of Wisconsin-Madison, September 2010, "Networking Devices over the TV White Spaces"
• Keynote, ACM SIGACT/SIGMOBILE Internation Workshop on Foundations of Mobile Computing (DIALM-POMC), September, 2010, "Networking Devices over the White Spaces" 
• MIT CSAIL Wireless Networks Mini-Workshop, June 2010, "Experiences Deploying a Campus Wide Network over White Spaces"
• Department of Information Engineering Seminar, CUHK April 2010, "Networking Devices over White Spaces"
• EE Colloquium, University of Washington, February 2010, "Networking Devices over White Spaces" (slides)
• CS Colloquium, University College London, April 2009, "Somniloquy: Augmenting Network Interfaces to Reduce PC Energy Usage" (slides)
• Joint CS/ECE Colloquium, Purdue University, April 2009, "Next Generation Wi-Fi: Networking Devices over White Spaces" (slides)
• Keynote, IEEE Secon SDR Workshop, June 2008, "Networking over the TV White Spaces" (slides, overview of the v1 phase of the KNOWS project)
• Networking/Communications/DSP Seminar, UC Berkeley, February 2008, "Cognitive Wireless Networking in the TV Bands" (slides)
• Colloquium, Boeing Phantom Labs, November 2007, "Cognitive Wireless Networking in the TV Bands"
• Workloads of the Future Workshop, GSRC UC Berkeley, November 2007, "Connecting the Unconnected: The Networking Challenge"
• Networking Seminar, UIUC, September 2007, "Managing Enterprise Wireless LANs Using DAIR"