IEEE 802.11 TGbk (320MHz Positioning) Technical Editor 2023-2025
IEEE 802.11 TGaz (Next Generation Positioning (NGP) Standard), Secretary 2017-19, Technical Editor 2019-23
ACM SIGMOBILE Chair 2009-2013, Executive Committee member 2013-17
Chair ACM TechPack on Mobile Computing 2012
Editorial Boards: IEEE Computer 2015-Present, IEEE Pervasive Computing 2001-Present
Steering Committees (current): ACM HotMobile, ACM MobiSys, IEEE Pervasive Computing
IEEE (Institute for Electrical and Electronic Engineers) member since 1991, Fellow 2005
ACM (Association of Computer Machinery) member since 1996, Fellow 2005
Conference Program Chairs
General co-chair ACM PerDis 2013, Mountain View, CA, June 4th 2013.
Technical Program co-chair NSF Pervasive Computing at Scale (PeCS), January 2011
Technical Program chair ACM Hotmobile 2010, Annapolis, Maryland, USA
Technical Program co-chair IEEE ISWC 2008, USA
Technical Program co-chair Pervasive 2005, Munich, Germany
Technical Program co-chair, ACM Mobisys 2004 Conference, Boston, USA
Panel Chair, Mobicom 1999, Seattle, USA
Technical Program Committee ACM MobiSys Conference
2017 Niagra Falls, New York, USA
2011 Washington, USA
2009 Krakow, Poland
2008 Breckenridge, Colorado, USA
2007 Puerto Rico
2006 Uppsala Sweden
2005 Seattle, USA
2004 Boston, USA
Technical Program Committee ACM HotMobile Conference
2016 St. Augustine, Florida
2015 Santa Fe, New Mexico
2013 Jekyll Island, Georgia
2012 San Diego, California
2010 Annapolis, Maryland
2008 Napa California
Technical Program Committee IEEE/ACM SEC (Symposium on Edge Computing)
2016 Washington, DC
Technical Program Committee ACM Pervasive Displays (PerDis)
2016 Oulu, Finland
2015 Saarbrucken, Germany
2014 Copenhagen, Denmark
Technical Program Committee for IEEE ISWC Conference
2008 Pittsburgh, USA
2001 Zurich, Germany
Technical Program Committee Pervasive Conference
2005 Conference, Munich Germany
2002 Zurich Switzerland
Technical Program Committee IEEE PerCom 2004, Orlando, Florida
Technical Program Committee Ubicomp
2003 Seattle , USA
2002 Gotenburg, Sweden
Technical Program Committee for ACM MobiCom
2001 Rome, Italy
2000 Boston, USA
Dept. Editor: ‘The IoT Connection’ Dept. IEEE Computer, Jan 2016-Present
Dept. Editor: ‘Smart Phone’ Dept. IEEE Pervasive Computing, April 2010-2014
Editor-in-Chief. IEEE Pervasive Computing. Jan 2006-2009
Associate Editor-in-Chief, IEEE Pervasive Computing, Fall 2001-2005
Robert K. Harle, “Maintaining World Models in Context-Aware Environments” , Department of Engineering, University of Cambridge UK, October 2004.
Bill N. Schilit, “A Context-Aware System Architecture for Mobile Distributed Computing Department of Computer Science, Columbia University, NY, May 1995
NAS Advisory Workshop on Radio Frequency Identification (RFID), Seattle, Apr 2004: Invited expert & panelist
DARPA contract N66001-99-2-8924, 1999. "Expeditions into the Future", Portolano - Workscapes Project (sub. 993572). Principal Investigator (PI),
Infrared Data Association (IrDA) standards meetings 1995-1997: Representative for Xerox/PARC.
DARPA contract DABT63-91-C-0027, 1991, “Ubiquitous Computing Program”, Affiliated Researcher.