Executive Team
XTAR is led by a team of industry executives with decades of experience developing and operating innovative and diverse satellite communications systems. Collectively, the company’s leaders have credentials in satellite design, IT, networking, transmission services and business management. The executive team has deep and broad experience addressing government and military requirements with innovative commercial communications solutions.
Patrick H. Rayermann
Chief Executive Officer
Pat serves as the Chief Executive Officer (CEO) of XTAR. He was raised in Southern California where he had the opportunity to begin his professional life as an employee of the Jet Propulsion Laboratory. In 1981, he graduated from UCLA and its ROTC program with a bachelor’s degree in physics and a commission as a second lieutenant in the United States Army. He served in the Army for 30 years, first as a Signal Officer and then as a Space Operations Officer. His assignments included command, operations, logistics, cooperative international efforts, acquisition and policy development, to include serving as the second commander of the 1st Satellite Control Battalion and the G-3 or Chief Operations Officer of the Army’s Space and Missile Defense Command. Pat’s final military assignment provided him the opportunity to serve as the chief steward of the Department of Defense’s (DoD’s) architecture for satellite communications and to serve as the Chief of Staff of the DoD Executive Agent for Space (EA4S) Staff.
After retiring from the Army, Pat spent several years applying his knowledge and experience to identify strategically appropriate new business opportunities with the US government for several firms with the goal of increasing the range of communications solutions available to the US Government, primarily the US military. From late 2018 thru the Spring of 2025, Pat provided support to the DoD CIO’s SATCOM Office regarding the military’s use of all types of satellite communications. He helped to lead the crafting of the Memorandum of Understanding and specific service provisions which via which six nations provide military SATCOM services to NATO as part of its NATO SATCOM Services 6th Generation (NSS6G) program.
Pat is a member of the AIAA, AFCEA, the Society of Satellite Professionals International (SSPI) and the Army Space Professionals Association (ASPA) and the Air Force Association (AFA).
His hobbies include astronomy, photography, backpacking, hiking, running and horseback riding.
Robert McDade
Chief Financial Officer
As Chief Financial Officer and acting Chief Executive Officer, Mr. McDade is responsible for XTAR’s financial management and direction. This includes preparing and presenting financial and other key business results, and developing annual and long-term strategic plans for the company’s executive management team and partners. Prior to XTAR, Mr. McDade was Corporate Manager for Loral Space & Communications’ Business Review operations. He held several management positions in the technology and manufacturing sectors where he applied his expertise to financial reporting and analysis, strategic planning, budgeting and project management. Mr. McDade graduated from the State University of New York College at Old Westbury with a Bachelor’s degree in Business Management. He has also begun coursework for an MBA at Long Island University, C.W. Post.
Todd C. Dudley
Vice President, Department of Defense and NATO Programs
As Vice President, Department of Defense and NATO Programs, Mr. Dudley sets strategy for all domestic and international sales, business development and marketing activities within the organization. He has worked for XTAR since 2016, following his military retirement in 2014, and subsequent continued service to the Department of Defense as a DoD civilian as well. He began his military career in 1993, serving in the US Navy as an Electronic Warfare Mission Commander on EP-3E Aries-II ISR/reconnaissance aircraft, where he trained and used many of the electronic warfare systems and concepts also common to satellite communications. In 2003 he interservice transferred to the US Army to conduct Foreign Military Sales (FMS) of US defense articles and services to NATO Allies and countries across Europe and the Middle East, before retiring as a Lieutenant Colonel. Mr. Dudley holds a Bachelor’s of Science in Economics from the US Naval Academy; a Master’s of Business Administration from Texas A&M University; a Masters of Arts in National Security Affairs from the Naval Postgraduate School, and a postgraduate certificate in Strategic Intelligence from National Defense University. Being fluent in DoD acquisition, and with experience in both the US Navy and US Army, Mr. Dudley brings a veritable arsenal of DoD experience to the XTAR team and helps operationalize the FIGHTING SATCOM concept for the US Department of Defense.
James Chambers
Vice President, Engineering
As the vice president of Engineering, Mr. Chambers is responsible for managing XTAR’s satellite and terrestrial resources to support government missions as efficiently as possible. Additionally, he helps strategically plan for future capabilities to support XTAR’s growth and develops solutions to meet XTAR customers’ unique engineering requirements. Mr. Chambers came to XTAR from DRS Technical Services where he lead the engineering team responsible for the full life cycle of satellite, terrestrial and hybrid communication networks for military and other government customers. Previously he held several senior engineering positions with various satellite network providers designing and implementing both satellite and hybrid satellite/terrestrial communications networks. Mr. Chambers graduated from Pennsylvania State University with a Bachelor’s degree in Electrical Engineering. He also has a Master’s degree in Electrical Engineering from Johns Hopkins University.
Michelle Stewart
Chief of Staff and FSO
As Chief of Staff, Ms. Stewart is responsible for overseeing Office and Facility Operations, Security, Contracts Administration, and Human Resources for XTAR. With a vast background in IT and telecommunications industries, Michelle ensures XTAR’s internal operations are running smoothly while working with management to help shape XTAR’s future. Ms. Stewart came to XTAR from Marconi Pacific in 2012. She has a BS in Business Management from Liberty University.