International Advisory Council

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The International Advisory Council provides advice to the Foundation Board of Directors on technical and policy issues. Much of its work is done electronically through email and virtual meetings. Semi-annual in-person meetings are normally in held in the Washington, DC area around the time of US National PNT Advisory Board meetings.


Dr. Refaat Rashad

Dr. Refaat Rashad is President of the Arab Institute of Navigation and Chairman of the International Transport Research Center in Alexandria, Egypt. He is also a member of the US Position Navigation and Timing Advisory Board, and is Vice President of the International Association of Institutes of Navigation. Dr. Rashad is an authority on maritime transportation, satellite and electronic navigation and has published numerous papers and books on the topic. He has led projects for the IMO and World Bank, is a member of the National Geographic Society, and is a licensed Master Mariner.


Professor Jiwon Seo

Professor Jiwon Seo is with Yonsei University of the Republic of Korea (ROK). He is also a member of the eLoran Advisory Committee of the Ministry of Oceans and Fisheries (MOF) of the ROK. Working closely with the MOF, he regularly presents about the nation’s eLoran and other navigation initiatives at international forums. He announced the Korean eLoran program at the European Navigation Conference in 2013 to the great interest of all attendees. An invited speaker at the 2013 NATO Transportation Seminar, he was also a keynote speaker at the 2014 GNSS Vulnerabilities and Resilient PNT Conference and gave an update on the Korean eLoran program at the Resilient PNT Forum II in 2015. Professor Seo received his Ph.D. from Stanford University in 2010.


Andrew Bach

Andrew F. Bach is a consultant advising on the next generation of ultra-high-performance infrastructure and globally synchronized precision timing for the Financial Service Sector. His experience includes formally serving as a senior technical advisor at Pico Systems, Chief Architect for the Financial Services Industry vertical at Juniper Networks, and SVP, Global Head of Network Services, at the New York Stock Exchange (NYSE Euronext). He is the chair of the Center for Advanced Technology in Telecommunications (CATT) advisory board at NYU Tandon school of engineering (Polytechnic University) in New York where he has also been an adjunct professor. In 2000, he won the prestigious Computerworld Smithsonian Award for his role in integrating IP multicasting technology in the financial services industry. Mr. Bach also holds multiple patents in communications technologies.

Photo of Guy Buesnel

Guy Buesnel, CPhys, FRIN
PNT Security Technologist, Spirent

Guy has more than 20 years’ experience working protecting GNSS Receivers from emerging threats , having started his career as a Systems Engineer involved in the development of GPS Adaptive Antenna Systems for Military Users. Guy is Spirent’s specialist technologist covering the areas of PNT threats and mitigation. Guy holds a BSc Honours degree in Physics with Atmospheric Physics and a Master’s Degree in Communications Engineering. Guy is a Chartered Physicist and a Fellow of the Royal Institute of Navigation.

James Durham

James Durham

Mr. James “Raleigh” Durham is a retired Marine Corps Colonel and Senior Executive (SES) in the Office of the Secretary of Defense. Mr. Durham served as Director of Joint Advanced Concepts (Acquisition, Technology and Logistics (AT&L)). In that capacity he developed and led key initiatives that provided recommendations to the Deputy Under Secretary for Acquisition and Technology (A&T) and to the Under Secretary of AT&L on acquisition management decisions to best provide timely fielding of integrated combat capability to the Warfighter. His active duty military experience includes 28 years in the Marine Corps as an F-4 and F/A-18 pilot with over 4,500 flight hours.

In Memoriam

Professor David Last

Professor David Last was a founding member of our organization. He tragically perished in an airplane crash on the 25th of November 2019. He was a great friend and colleague. His passing leaves a lasting gap in the world-wide PNT community. We are all better for having known him.​