Professional

Activities with the Institute of Navigation (ION)

Associate Editor for NAVIGATION (January 2003 – September 2019)
Council Member (Finance Chair) of the 
Institute of Navigation, ION (appointed) (March 2009 – January 2010)
Editor for the 
Institute of Navigation Volume 7 Red Book on “Integration Navigation Systems (July 2007 – Oct. 2008)
Council Member (Air Representative) of the 
Institute of Navigation, ION (elected). (June 2005 – April 2007)
Program Chair, Institute of Navigation, Annual Meeting, Cambridge, MA. Co-sponsored with the Royal Institute of Navigation, 2007.
Track chairman at the Institute of navigation (ION) GPS/GNSS 2003 conference, Portland, OR.
Session chair at various ION conferences (16 times)

Activities with the American Institute of Aeronautics and Astronautics (AIAA)

Member of the AIAA Digital Avionics Technical Committee (DATC) (September 2008 – Present) - Currrently Vice-chair
Professional educational chair of the IEEE/AIAA Digital Avionics Systems Conference (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015)
Track chair at the IEEE/AIAA Digital Avionics Systems Conference (2003, 2004, 2005, 2006)
Taught various tutorials at the DASC conferences (GPS, surveillance, etc.)

Activities with the Institute of Electrical and Electronics Engineers (IEEE) 

Professional educational chair of the IEEE/AIAA Digital Avionics Systems Conference (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015)

Session chair at IEEE/ION Position Location and Navigation Symposium (2000, 2006, 2008, 2012,2018)
Taught various tutorials at the PLANS conferences (multisensor integration for navigation)

Activities with the Society for Optical Engineering (SPIE)

Program Committee, Enhanced and Synthetic Vision Track, SPIE Defense and Security Symposium, Orlando, FL, April 2010
Program co-chair, Enhanced and Synthetic Vision Track, SPIE Defense and Security Symposium, Orlando, FL, April 13-17, 2009
Program Chair, Enhanced and Synthetic Vision Track, SPIE Defense and Security Symposium, Orlando, FL, March 16-21, 2008
Program Committee, SPIE Synthetic Vision and Enhanced Vision conference at the Defense and Security Symposium, Orlando, FL, 2007.
Taught various tutorials at the SPIE conferences on GPS

Past and Current Collaborations (Federal Government)

National Aeronautics and Space Administration (NASA) - (Langley, Ames, Marshall), Federal Aviation Administration (FAA), Air Force Office of Scientific Research (AFOSR), Air Force Research Laboratory (AFRL) - Sensors and Munitions directorate

Past and Current Collaborations (State Government)

Ohio Department of Transportation (ODOT), Ohio/Indiana Unmanned Aircraft Systems Center,

Past and Current Collaborations (Industry)

Rockwell-Collins, Northrop-Grumman, Boeing, Honeywell, General Atomics, RL Associates, QUNAVCAL Analytics, Veth Research Associates LLC, 

Past and Current Collaborations (Europe)

CTAE/ASCAMM (Spain), Deutsches Zentrum für Luft- und Raumfahrt, DLR (Germany), Netherlands Defense Academy (The Netherlands),  Xsens (The Netherlands),  Universitat Politècnica de Catalunya (Spain), Delft University (The Netherlands) 

Past Visiting Scholars

Santi Vilardaga (CTAE/ASCAMM, Barcelona, Spain, 2013),  Niklas Peinecke (DLR, Braunschweig, Germany, 2012),  Joris Koeners (TU Delft, Delft, The Netherlands, 2002, 2003)

Past Visiting Students

Martijn van den Boogaart (1997), Remko  de Bruijn (1998), Michiel de Vries (2004), Maarten Kastelein (2010)