Official U.S. government information about the
Global Positioning System (GPS) and related topics
National Space-Based Positioning, Navigation, and Timing
Advisory Board
Membership, 2021-2023
All Advisory Board members have been appointed to serve as either Special Government Employees (SGE's) or Representatives. SGE's and Representatives abide by different standards of ethical conduct.
Special Government Employees
SGE's are experts from industry or academia who temporarily receive federal employee status during Advisory Board meetings.
- Thad Allen (Chairman), former Commandant, U.S. Coast Guard
- John Stenbit (Deputy Chairman), former Assistant Secretary of Defense
- Bradford Parkinson (1st Vice Chair), Stanford University
- James E. Geringer (2nd Vice Chair), ESRI
- Penina Axelrad, University of Colorado
- John Betz, MITRE
- Scott Burgett, Garmin International
- Joseph D. Burns, The Airo Group
- Patrick Diamond, Diamond Consulting
- Dorota A. Grejner-Brzezinska, The Ohio State University
- Michael Hamel, Former Commander, Space and Missile Systems Center
- Larry James, Jet Propulsion Laboratory
- Vahid Madani, GridTology
- Jade Morton, University of Colorado
- Timothy A. Murphy, Boeing
- Tom Powell, Aerospace Corporation
- Eileen Reilly, Global Train Services
- T. Russell Shields, RoadDB
- Gary W. Thompson, North Carolina Geodetic Survey
- Frank van Diggelen, Google
- Todd Walter, Stanford University
- Gregory D. Winfree, Texas A&M
Representatives
Representatives are individuals designated to speak on behalf of particular interest groups.
- Renato Filjar, University of Rijeka (Croatia)
- Dana Goward, Resilient Navigation and Timing Foundation
- J. David Grossman, Consumer Technology Association
- Matt Higgins, International GNSS Society (Australia)
- Terry Moore, University of Nottingham (UK)
- Jeffrey N. Shane, International Air Transportation Association
Executive Director
The membership of the Advisory Board is administered by a designated federal officer appointed by the NASA Administrator:
- James J. Miller, Executive Director
Consultants with Special Expertise
- Martin Faga, former CEO, MITRE
- Kirk Lewis, Institute for Defense Analyses
