Colonel John E. Dukes Jr. is currently assigned to the Pentagon under the Secretary of the Air Force Space Acquisitions and Integration Directorate (SAF/SQ) as the Deputy Director of the National Space-Based Positioning, Navigation, and Timing Coordination Office. Colonel Dukes leads a multidisciplinary office tasked to oversee U.S. Space-Based PNT Policy. 

The National Coordination Office shall collect from Executive Committee member Departments and Agencies the appropriate information necessary to ensure interagency transparency about PNT policies, programs, budgets, and activities that might affect mutual interests or interagency dependencies. The National Coordination Office will use this information for operations of the Executive Committee to include interagency coordination, consensus development, and issue resolution for all matters presented to the Executive Committee. Additionally, Col Dukes is tasked with conducting or overseeing space-based PNT studies, analyses, and projects with a National benefit beyond the scope of a single Department or Agency, to include an assessment of ongoing Department and Agency efforts that may benefit from broader U.S. Government participation. 

Colonel Dukes received his commission as a distinguished graduate of the ROTC program at the University of Alabama in 1997. He has held command positions as a maintenance flight commander, logistics flight commander, and as a maintenance squadron commander. Additionally, he has held a variety of acquisition, aircraft maintenance, and multiple program office positions, including deployments to Iraq, Afghanistan, and U.S. Central Command where he served as the information operations branch chief. Colonel Dukes transferred from the United States Air Force to the United States Space Force on 25 June 2021. 

Prior to his current role as NCO Deputy Director, he served as Director of Staff at Space Systems Command and Senior Materiel Leader and Chief for the Production Corps’ Geosynchronous (GEO)/Polar Division.

Harold W. Martin III, a member of the Senior Executive Service from the Department of Transportation, is the Director of the National Coordination Office for Space-Based Positioning, Navigation, and Timing (PNT). He functionally supports the Deputy Secretaries of Defense and Transportation in their roles as the Co-Chairs of the National Executive Committee for Space-Based PNT (EXCOM). He is responsible for information sharing, coordination, and issue resolution on space-based PNT programs, requirements, budgets, and policies across the federal government. Additionally, he represents the EXCOM on such matters to governmental, public sector, and international organizations.

Mr. Martin is a retired U.S. Air Force Colonel. His past assignments included command and leadership positions from squadron level to the Pentagon and he served as the Director of Operations for GPS during the wars in Afghanistan and Iraq.

Mr. Martin has over 35 years of experience in GPS, its augmentations, space-based systems conducting communications and intelligence missions, and other aerospace systems. He holds a Bachelor's degree in mathematics from Purdue University, a Master's degree in space operations from Webster University, a Master's degree in military operational art and science from Air University, and is a graduate of the Federal Executive Institute.

Dr. Dorota A. Grejner-Brzezinska is the University Distinguished Professor, Lowber B. Strange Endowed Chair and Professor in the Department of Civil, Environmental and Geodetic Engineering, and serves as the Associate Dean for Research in the College of Engineering at The Ohio State University (OSU). She is also a Director of the Satellite Positioning and Inertial Navigation (SPIN) Laboratory.

Her research interests cover GPS/GNSS algorithms, GNSS/inertial and other sensor integration for navigation in GNSS-challenged environments, sensors and algorithms for indoor and personal navigation, image-based navigation using Artificial Intelligence (AI) methods, and mobile mapping.  She published over 350 peer reviewed journal and proceedings papers, numerous technical reports and five book chapters on GPS and navigation, and led nearly 60 sponsored research projects with the total budget of over $22 million.

Dr. Brzezinska's research accomplishments are in three primary areas: (1) high-accuracy navigation and positioning algorithms and methods that include (a) design and development of novel algorithms and methods for high accuracy GPS and Low Earth Orbiters orbit estimation, and Earth Orientation Parameter estimation with GPS, (b) advanced positioning algorithms for cm-level GPS accuracy, such as the pioneering development and implementation of network-based real-time kinematic solution and Precise Point Positioning; (2) design and implementation of the high-accuracy algorithms and multi-sensor system prototypes for navigation in GPS-challenged environments, including GPS/INS, image-based navigation using AI methods, personal and collaborative navigation; (3) pioneering work in developing novel, fast and accurate algorithms that use ionospheric disturbance filtered from the GPS signals to detect and locate clandestine nuclear explosions and earthquakes.

Dr. Brzezinska is a member of the National Academy of Engineering (NAE), Fellow of the Institute of Navigation (ION), Fellow of the Royal Institute of Navigation (RIN), and the recipient of the 2016 ION Johannes Kepler Award, the 2005 ION Thomas Thurlow Award, the 2005 and 2015 United States Geospatial Information Foundation (USGIF) Academic Research Award, and the 2018 International Association of the Institutes of Navigation (IAIN) John Harrison Award. She served as President of the Institute of Navigation (2015-2017), and President of the International Association of Geodesy (IAG) Commission 4, Positioning and Applications (2011-2015), and is an IAG Fellow.

Dr. Brzezinska holds an M.S. and a Ph.D. in Geodetic Science from The Ohio State University, and an M.S. in Surveying Engineering and Land Management Systems from the University of Warmia and Mazury, Poland.

Mr. Badri Younes is presently the Deputy Associate Administrator for Space Communications and Navigation (SCaN). He is responsible for all activities associated with NASA's space communications and navigation policy, infrastructure and services, as well as spectrum management and data standards. Mr. Younes leads and manages the SCaN program Office at NASA Headquarters and oversees all NASA telecommunications and navigation projects and networks, include NASA's Space Network (SN), Near Earth Network (NEN), and Deep Space Network (DSN). Mr. Younes leads the transformation of all NASA communications networks into a single, unified, cohesive, and integrated much more capable network. He is also responsible for the development of enabling transformational technologies critical to meeting the Agency's vision for an integrated SCaN architecture aligned with NASA's future space exploration needs.

Prior to returning to NASA in 2007, Mr. Younes was the Department of Defense (DoD) Director for Spectrum Management with responsibility for spectrum policy and strategic planning and implementation for the DoD. Under his leadership, the department has successfully negotiated major win-win agreements with the Federal Communications Commission, National Telecommunications Information Administration, and the U.S. private sector. He has successfully led the DoD spectrum management organization to become more proactive in addressing radiofrequency (RF) and spectrum issues and has been instrumental in transforming the management and use of the electromagnetic spectrum within and outside the Department. He has played a lead and positive role in developing the Presidential Initiative Recommendations on Spectrum Reform.

Mr. Younes' experience spans over thirty years of leadership in microwave and RF systems engineering, digital and analogue signal processing, electronics and technology. His interpersonal skills and rich linguistic ability have bene instrumental in furthering U.S. objectives both nationally and abroad. He has over twenty years of involvement in various forums of the International Telecommunications Union, and has provided direct support to the U.S. ambassadors to three Word Radiocommunications Conferences. Prior to joining the DoD, Mr. Younes successfully managed the RF systems engineering and spectrum management for NASA's Goddard Space Flight Center Space and Ground Networks. He has also successfully managed to completion the design and implementation of NASA's Second Tracking and Data Relay Satellite Ground Terminal at White Sands, New Mexico.

Mr. Younes is the recipient of a number of recognition and performance awards. In particular, the 2005 Meritorious Presidential Rank Award. He is a member of the Tau Beta Pi, engineering honor society. He holds a Masters in Electronics Engineering from Catholic University of America and had completed all his PhD requirements except for the dissertation.

Mona Harrington is a cybersecurity and risk management executive with over two decades of federal government experience. As Assistant Director of CISA's National Risk Management Center (NRMC) since September 2022, she spearheads efforts to safeguard critical infrastructure against cyber and physical threats. Harrington's leadership has enhanced the NRMC's analytic capabilities, fostering improved information sharing and risk management between government and industry.

She spearheads several of CISA’s pivotal strategic initiatives including election security, emerging technologies, and supply chain resilience. Additionally, she serves in several key positions on behalf of CISA, including as the co-chair for both the Information and Communications Technology Supply Chain Risk Management Task Force and the Space Weather Operations, Research, and Mitigation (SWORM) Subcommittee. She also serves as a member of the Election Infrastructure Subsector Government Coordinating Council Executive Committee.

Harrington's career includes 17 years in executive IT and cybersecurity roles within the Judiciary. She holds a Master of Science in Applied Sciences from the Rochester Institute of Technology, in Cyber Security and chemical, biological, radiological, and nuclear warfare.

Gen. B. Chance Saltzman is the Chief of Space Operations, United States Space Force. As Chief, he serves as the senior uniformed Space Force officer responsible for the organization, training and equipping of all organic and assigned space forces serving in the United States and overseas.  As members of the Joint Chiefs of Staff, the Chief of Space Operations and other service chiefs function as military advisers to the Secretary of Defense, National Security Council, and the President.

Gen. Saltzman is a graduate of Boston University and was commissioned in 1991.  He has operational experience with missile and space systems, as a Minuteman III launch officer, and as a satellite operator for the National Reconnaissance Office.  He also served as the first Chief of Combat Plans for the Joint Space Operations Center, and later, as Chief of Combat Operations.

Gen. Saltzman has commanded at the squadron, group, and wing levels including the 614th Space Operations Squadron and 1st Space Control Squadron at Vandenberg Air Force Base, California; the 460th Operations Group at Buckley AFB, Colorado; and the Aerospace Data Facility Colorado, Aurora, Colorado.  Before serving in his current assignment, Gen. Saltzman was the Deputy Chief of Space Operations for Operations, Cyber, and Nuclear, United States Space Force, the Pentagon, Arlington, Va.

Dr. Troy E. Meink is the 27th Secretary of the Air Force, responsible for organizing, training, and equipping the U.S. Air and Space Forces. As the Department’s senior leader, he oversees an annual budget exceeding $200 billion, provides Air and Space forces to combatant commanders in support of global military operations, and is accountable for the welfare of nearly 680,000 active duty, Guard, Reserve, and civilian Airmen and Guardians and their families.

Dr. Meink recently served as the Principal Deputy Director at the National Reconnaissance Office (NRO), where he oversaw day-to-day management of the NRO, and acted on behalf of the Director in their absence. Prior to that position, he was the Director, Geospatial Intelligence Systems Acquisition (GEOINT) at the NRO, where he was responsible for the successful execution of all national geospatial intelligence satellite systems acquisitions with a budget of more than $15 billion.

Dr. Meink is from Lemmon, South Dakota, and entered the Air Force in 1988 through the Reserve Officer Training Corps program at South Dakota State University. His assignments have included operations and training, systems engineering, research and development, and program management of major defense acquisition programs. Dr. Meink began his career as a KC-135 Tanker Navigator and Instructor and then a lead test engineer for the design and evaluation of ballistic missile test vehicles for the Ballistic Missile Defense Organization (now Missile Defense Agency).

As an Air Force Civilian, he managed multiple next generation joint research and development programs transitioning global space capabilities, optical sensors, and advanced structures. He subsequently led development for the Military Satellite Communications Joint Program Office and served as program director for the Transformational Satellite Communications System. He was Director, Communications Directorate, Office of the Assistant Secretary of Defense/Networks and Information Integration, and the Director, Signal Intelligence Systems Acquisition, NRO. Dr. Meink left the NRO for a time when he was assigned to the Department of the Air Force as the Undersecretary of the Air Force for Space and the Director, Executive Agent for Space Staff in Washington, D.C. Dr. Meink then served as the Assistant Director of National Intelligence for Systems and Resource Analyses.

As a rated officer, Dr. Meink completed 100 sorties including 8 combat and 29 combat support missions in support of operations Desert Shield, Desert Storm, and Provide Comfort. He has authored 20 articles in professional journals and conference publications, has been awarded three patents, and designed, built, and flown two experimental aircraft. Dr. Meink currently flies an RV-8 experimental aircraft.

Kevin Mulvihill is a member of the Senior Executive Service, and the Deputy Chief Information Officer for Command, Control, and Communications (C3), Office of the Secretary of Defense, Chief Information Officer. He provides strategic direction, policy guidance, and oversight to enable the Department to effectively define, prioritize, acquire, govern, manage, and implement C3 capabilities in support of DoD operations. As DCIO, Mr. Mulvihill provides policy and guidance to execute Principle Staff Assistant responsibilities for: spectrum; communications systems and networks; C2 and coalition information sharing capabilities; Position, Navigation and Timing (PNT); Tactical Network Management; Waveform Management; and Enterprise Mobility. He leads teams responsible for the horizontal and vertical integration of operational level C2 and strategic command, control and communications, supporting joint and coalition concepts of operations.

Prior to his current assignment, Mr. Mulvihill led modernization efforts for DoD Satellite Communications, data links and tactical communication capabilities in support of warfighter needs for the DoD CIO.

Additionally, Mr. Mulvihill served as the Net-Centric Capability Portfolio Manager, Secretary of the Air Force, Office of Chief Information Officer (CIO) Headquarters Air Force, Pentagon, Washington, DC., where he directed integration efforts for all net-centric Air Force Space/C4ISR/Cyber warfighting capabilities. He provided wide-ranging leadership for managing and unifying the entire portfolio of Net-centric capabilities, Air Force-wide.

Mr. Mulvihill has held a variety of leadership positions in civilian and military arenas, focusing primarily on operations and requirements planning of DoD C2 systems at the tactical, operational, and strategic level of warfare. He began his government service career upon graduation from Lewis University in Joliet, Illinois, where he earned a Bachelor of Science Degree with Honors in Aviation Maintenance Management. He was commissioned and served in the United States Air Force in a variety of operational and staff positions, commanding an E-3 Sentry squadron and leading coalition Airborne Early Warning (AEW) operations. A combat veteran from Operation Desert Shield and Storm, he also commanded combat deployments for Operation Southern Watch, Operation Enduring and Iraqi Freedom, and conducted continuous 24/7 AEW air patrols after the events of 9/11 for Operation Noble Eagle from Tinker AFB OK. He started his military career in 1985 as part of the Peace Shield Program supporting the RSAF AEW in Riyadh, Saudi Arabia, and completed his final operational tour as Director, Cheyenne Mountain Command Center in 2009.

Kevin Mulvihill was awarded a Masters of Public Administration, from the University of Oklahoma, Norman, Oklahoma. His professional education includes graduating from Air Force Fighter Weapons School, Nellis AFB, Las Vegas, Nevada; U.S. Army Command and General Staff College, Fort Leavenworth, Kansas; Air War College, Maxwell AFB, Alabama; Joint Forces Staff College, Norfolk, Virginia; and National Security Studies Seminar 8, Canadian Forces College, Toronto, Ontario Canada, APEX 48 and Harvard Kennedy School for Senior Executives in National and International Security Program (NIS) program.

Ms. Leslie A. Beavers is a career member of the Senior Executive Service and served as the Acting Department of Defense Chief Information Officer (DoD CIO).  In this capacity, Ms. Beavers served as the primary advisor to the Secretary of Defense for Information Management / Information Technology (IT) and Information Assurance, as well as non-intelligence space systems; critical satellite communications, navigation, and timing programs; spectrum; and telecommunications.

Prior to assuming the role of the Acting DoD CIO, she served as the Principal Deputy, DoD CIO from April 2023 to July 2024.

Before joining the CIO, Ms. Beavers served as the Director of Intelligence Surveillance and Reconnaissance Enterprise Capabilities (ISREC). In this capacity she led OUSD(I&S)’s Defense Intelligence Digital Transformation Campaign Plan, known as Project Herald.

Project Herald’s overall goal is to evolve how the DoD delivers intelligence to warfighters while providing the unifying focus to realize next-generation capabilities.  To this end, Ms. Beavers oversaw the planning, programming, budgeting and execution of the Defense Intelligence mission area within the Battlespace Awareness portfolio.

Ms. Beavers began her DoD career as an Intelligence Officer in the United States Air Force serving in various roles before retiring as a Reserve Brigadier General serving with the Joint Staff J2.  Her assignments included:  16th Air Force, San Antonio, TX; Pacific Air Forces, Hickam, HI; Distributed Common Ground System 2, Beale AFB, CA; and 4th Air Force, March ARB, CA.

Additionally, Ms. Beavers has over 15 years’ experience in the private sector working in the Film/TV, Healthcare, and Oil and Gas industries.  She served as Vice President at NBC/Universal Pictures responsible for recovering 80 years of film and television content destroyed in a fire.  She worked with GE’s Healthcare Diagnostic Imaging division improving to manufacturing capacity, profit margin, and revenue.  At Husky Oil, she consulted with C-suite executives on operational integrity establishing processes to manage risk introduction in drilling operations.

She holds a Bachelor’s Degree in Political Science from the U.S. Air Force Academy and a MBA in Finance with Honors from South University. Ms. Beavers is a certified Lean Six Sigma Master Black Belt, a Distinguished Graduate of the Air Force’s Signals Intelligence program, and the recipient of numerous DoD and professional awards including the Defense Superior Service and Legion of Merit. 

Mr. Thompson has worked for the North Carolina Geodetic Survey (NCGS), which is the agency responsible for developing and maintaining North Carolina's official survey base, since 1977. As Chief since 1994, he has been continually modernizing the agency to keep up with advances and spatial data needs in the engineering, surveying, mapping, and scientific fields. From the three original CORS, the North Carolina CORS network has grown to eight-four (84) CORS. In 2004, NCGS started the operation of a statewide Real Time Network that supports multiple professions and industries in North Carolina.

In addition to serving as Chief of NCGS, Mr. Thompson serves as the Deputy Risk Management Chief (NC Emergency Management). He put the agency's modernized technologies, expertise, and quality control to the test while on the research team that conducted Light Detection and Ranging (LiDAR) aerial mapping research projects with NASA. He incorporated the results of those projects into practice while on the program management team that completed the engineering and surveying project that produced a statewide set of Digital Flood Insurance Rate Maps (DFIRMs) for North Carolina. He served on the program management team that collected statewide elevation data utilizing LiDAR in 2001-2005 and 2014-2017 and the team that is collecting statewide aerial imagery in five phases in 2019-2023.

Mr. Thompson's global navigation satellite system (GNSS) activities include:

• Responsible for the planning, observing, processing and submittal of 500+ Global Positioning System (GPS) geodetic projects to the National Geodetic Survey for the inclusion into the National Spatial Reference System (NSRS)
• Continuing education workshop presenter (50+ workshops since 1994) on GPS related topics
• Team lead for the update of North Carolina Board of Examiners for Engineers and Surveyors board rules (21NCAC 56.1608) related to GPS
• Team lead for the development of the North Carolina Guidelines for GNSS Data Collection (Statewide Global Navigation Satellite System Data Collection and Documentation Standards)
• North Carolina Geodetic Coordinator for the National Geodetic Survey

Mr. Thompson holds a Bachelor in Engineering Technology from the University of North Carolina at Charlotte, and is a Professional Land Surveyor (PLS) in North Carolina.