[check CV for a complete list]

• Editorial Board
• General Chair, Technical Program Chair, and Steering Committees
• Keynote Speaker
• Invited Speaker
• Invited Panelist and Panel Organizer
• TPC Member
• Other Significant Professional Service 

Editorial Board:

• Editor-in-Chief, IEEE Transactions on Mobile Computing (2017 to 2020).
• Associate Editor, IEEE Transactions on Cognitive Communications and Networking (2015 to 2018).
• Associate Editor, IEEE Transactions on Network and Service Management (2010 to 2014).
• Associate Editor, IEEE Transactions on Mobile Computing (2006 to 2011).
• Associate Editor, IEEE/ACM Transactions on Networking (2001 to 2008).
• Editor, International Journal of Distributed Sensor Networks (2013 to 2014).
• Editor, Computer Communications Journal (2001 to 2011).
• Technical Editor, IEEE Communications Interactive Magazine (1998 to 2003).
• Guest Co-editor (with John Lockwood), IEEE Micro, Special Issue on Hot Interconnects (Jan./Feb. 2002).
• Guest Co-editor (with Ibrahim Matta), IEEE Communications Magazine - Feature Topic on Internet Quality of Service Routing (June 2002).

General Chair, Technical Program Chair, and Steering Committee Member:

• Member of Steering Committee, NSF Research Coordination Network (RCN) on mmWave Wireless Research, 2016 – present.
• Vice General Chair, WiOpt 2016 Conference, Sedona, Arizona, April 2016.
• TPC Chair of Networking Track, IEEE WCNC 2016 Conference, Doha, Qatar, April 2016.
• Steering Committee Member, International Conference on Communications, Signal Processing, and their Applications (ICCSPA), 2013-present.
• Steering Committee Member, International Symposium on Ubiquitous Networking (UNet), 2016-present.
• International Advisory Committee Member, Applied Electrical Engineering and Computing Technologies Conference (AEECT), 2013–present.
• General Co-chair, ACM Conference on Wireless Network Security (WiSec), Tucson, April 2012.
• Area TPC Chair, IEEE INFOCOM 2011, Shanghai, China, April 10-15, 2011.
• Area TPC Chair, IEEE INFOCOM 2010, San Diego, March 15-19, 2010.
• TPC Co-Chair, IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM'06), Niagara-Falls, Buffalo, New York, June 26-29, 2006.
• TPC Co-chair, IEEE International Conference on Sensor and Ad hoc Communications and Networks (SECON'05), Santa Clara, California, Sep. 26-29, 2005.
• TPC Co-chair, IEEE INFOCOM 2004 Conference, Hong Kong, April 2004.
• TPC Co-Chair, Hot Interconnects Symposium 9, Stanford University, Aug. 2001.

Keynote Speaker and Plenary Talks:

• International Symposium on Ubiquitous Networking (UNet 2015), Casablanca, Morocco, Sep. 2015.
• International Conference on Communications, Signal Processing, and their Applications (ICCSP'15), Sharjah, United Arab Emirates, Feb. 2015.
• 1st IEEE International Workshop on Cognitive Radio and Electromagnetic Spectrum Security (CRESS 2014), San Francisco, Oct. 2014.
• IEEE Computer Communications Workshop (CCW), Sedona, Nov. 2012.
• IFIP Wireless Days 2011 Conference, Niagara Falls, Canada, Oct. 2011.
• IEEE Workshop on Wireless Mesh Networks (WiMesh 2009), Rome, June 2009.

 Invited Speaker (partial list):

• Iowa State University, ECE Department, Ames, Nov. 2016.
• University Technology Sydney, Australia, School of Computing and Communications, Oct. 2016.
• University of California at San Diego (UCSD), CSE Department, May 2016.
• International Symposium on Ubiquitous Networking (UNet 2015), Casablanca, Morocco, Sep. 2015.
• Huawei Technologies - France Research Center, Paris, France, July 2015.
• International Symposium on Ubiquitous Networking (UNet 2015), Casablanca, Morocco, Sep. 2015.
• University of British Columbia, Vancouver, Canada, Nov. 2013 (IEEE Distinguished Lecture).
• University of Utah, Salt Lake City, Nov. 2013 (IEEE Distinguished Lecture).
• IEEE-Oregon Local Chapter, Portland, Nov. 2013 (IEEE Distinguished Lecture).
• IEEE-Washington Local Chapter, Seattle, Nov. 2013 (IEEE Distinguished Lecture).
• University of Jordan and Princess Sumaya University for Technology (sponsored by the IEEE Jordan section and the IEEE Communications Society Jordan Chapter), Amman, Jordan, July 2013.
• University of Paris Descartes (Paris 5), LIPADE Group Paris, France, June 2013.
• Qatar Texas A&M University, Doha, Qatar, May 2013.
• AFRL Cognitive RF Workshop, Albuquerque, Sep. 2012.
• Computer Science Department, University of California, Davis, Nov. 2011.
• King Abdullah II School of Information Technology, University of Jordan, Amman, Jordan, July 2011.
• Department of Telecommunications Engineering, Hijjawi Faculty for Engineering Technology, Yarmouk University, Jordan, June 2011.
• INRIA Sophia Antipolis (Planete group), France, June 2011.
• Air Force Research Lab - Kirtland, May 2010.
• Institute IMDEA Networks (Madrid Institute for Advanced Studies), April 2010.
• Boeing, Networked Systems Technology, November 2009.
• Department of Electronic Engineering, Tsinghua University, China, Sep. 2009 (Distinguished Speaker).
• Electronics and Telecommunications Research Institute (ETRI), Daejeon, South Korea, Feb. 2009.

Invited Panelist and Panel Organizer:

• IEEE WCNC 2016 Conference, Doha, Qatar, April 2016 (panel organizer & moderator; panel title "Global research funding opportunities: models & lessons learned"; panelists include program managers from ONR-Global, NSF, Qatar Foundation, and IIT-Kanpur).
• IEEE SECON 2009 Conference, Rome, Italy, June 2009 (panelist; panel title "Cognitive radio networks: Possible paths from research to real world").
• IEEE INFOCOM 2009 Conference, Rio de Janeiro, Brazil, April 2009 (panel organizer, moderator, and panelist; panel title "Current trends in wireless networks," panel moderator and panelist).
   

TPC Member (partial list):

• IEEE INFOCOM Conference: 1998, 2002-2007, 2009, 2013-2015.
• IEEE GLOBECOM Conference: 2000, 2015.
• IEEE Conference on Communications and Network Security (CNS), Florence, Italy, Sep. 2015.
• ACM Workshop on Cognitive Radio Architectures for Broadband (CRAB): 2013, 2014.
• 1st IEEE International Workshop on Cognitive Cellular Systems (CCS), Germany, Sep. 2014.
• IEEE International Workshop on Network Science for Communication Networks (NetSciCom 2013), Torino, Italy, April 2013.
• European Wireless 2010 Conference (EW '2010), Lucca, Italy, April 2010.
• IEEE ICNP Conference, 2009.
• IEEE MASS, Macau SAR, China, October 5-9, 2009.
• 4th International Conference on Innovations in Information Technology (IIT2007) - Information Communication Technologies track, Dubai, UAE, November 18-20, 2007.
• ACM MobiHoc Conference: 2005-2007.
• CrownCom 2007 (Second International Conference on Cognitive Radio Oriented Wireless Networks and Communications), Orlando, Florida, Aug. 1-3, 2007.
• International Workshop on Theoretical and Algorithmic Aspects of Sensor and Ad-hoc Networks (WTASA '07), Miami, Florida, June 28-29, 2007.
• IASTED International Conference on Modern Nonlinear Theory Bifurcation and Chaos (MNT 2007), Montreal, Canada, 2007.
• Global Information Infrastructure Symposium (GIIS '07), Marrakech, Morocco, July 2-5, 2007.
  WiOpt '06 (4th International Symposium on Modeling and Optimization in Mobile Ad-hoc and Wireless Networks), April 2006, Boston, Massachusetts.
• IEEE IPCCC 2006 (International Performance Computing and Communications Conference), Phoenix, April 2006.
• Third International Workshop on Measurement, Modeling, and Performance Analysis of Wireless Sensor Networks (SenMetrics 2005), San Diego, CA, July 21, 2005.
• Multimedia Service Access Networks (MSAN) Conference, Orlando, FL, April 2005.
• 1st International Conference on Mobile Ad-hoc and Sensor Systems (MASS 2004).
• 1st IEEE International Conference on Sensor and Ad hoc Communications and Networks (SECON 2004), Santa Clara, CA, Oct. 2004.
• 3rd Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net 2004), Bodrum, Turkey, June 27-30, 2004.
• ACM SIGMETRICS 2003 Conference, San Diego, June 2003.
• IEEE ICC 2003 Conference, Anchorage Alaska, May 2003.
• IEEE IPCCC 2003 Conference, Phoenix, April 2003.
• IEEE Workshop on Aspect Oriented Programming for Distributed Computing Systems (part of ICDCS 2002), July 2002.
• International Workshop on Wired/Wireless Internet Communications (WWIC 2002), June 2002, Las Vegas.
• Annual Simulation Symposium (ANSS): 2001, 2002.
• IEEE International Conference on Computer Communications and Networks (ICCCN 2001), Scottsdale, Arizona, Oct. 2001.
• International Teletraffic Congress (ITC 2001), Salvador, Brazil, Sep. 2001.
• IEEE International Conference on Multimedia and Expo (ICME): 2000 & 2001.
• Quality of Service over Next-Generation Data Networks Conference (part of the SPIE ITCom Symposium), Denver, Colorado, August 2001.
• International Workshop on Distributed Dynamic Multiservice Architectures (part of ICDCS 2001), Phoenix, Arizona, April 2001.
• IEEE GLOBECOM Symposium on High Speed Networks: 1999, 2000.
• IEEE ICDCS 2000 Conference, April 2000.
• Internet Workshop '99, Suita, Japan, Feb. 1999.
• IEEE Multimedia Systems '99 Conference, Florence, Italy, June 1999.
• SPIE Performance and Control of Network Systems Conference, Dallas, Nov. 1997. 

Other Significant Professional Service:

• Member of the IEEE Computer Society Fellows Evaluation Committee (2015).
• Member of the IEEE Communications Society Outstanding Service Award Committee (2014).
• Session chair for numerous conferences and workshops, including INFOCOM, CCW, IFIP Networking, SIGMETRICS, ICC, GLOBECOM, etc.
• Session organizer and chair (invited), 2nd NSF PI Workshop, Irvine, California, Nov. 2000.
• Session organizer for several conferences and workshops (e.g., IEEE CCW, GLOBECOM, SPIE, IC3N, etc.).
• Reviewer and panelist for various funding agencies, including NSF (CNS/NeTS, EARS, NetSE/Medium, CAREER, ECS/Integrative Systems Program, etc.), Army Research Office (ARO), King Abdulaziz City for Science and Technology Strategic Technologies Program (coordinated through AAAS), Kansas Experimental Program to Stimulate Competitive Research (coordinated through AAAS), Science Foundation Ireland (SFI), and others.