
President and Chief Executive Officer
Michael Sheehan
Michael Sheehan
Michael (Mike) Sheehan is the president and Chief Executive Officer (CEO) for Thales Defense & Security, Inc. (TDSI), and has over 35 years of industry experience.
Prior to joining TDSI in 2010, Mr. Sheehan was a member of the executive team at Cobham Avionics, where he was responsible for the company's avionics strategic business unit. Cobham Avionics provided a variety of equipment to both commercial and military fixed and rotary wing aircraft. Mr. Sheehan previously served as president of DRS's Tactical Systems strategic business unit, managing businesses in Huntsville, Alabama; Melbourne, Florida; and DRS UK in Farnham, England. He also held executive management roles for Northrop Grumman's Electronic Systems sector and for BAE Systems, where he spent 18 years in various senior management positions in engineering, program management, and business development. During this time, Mr. Sheehan was involved in a number of tactical communications programs, including Joint Tactical Radio System (JTRS), Warfighter Information Network-Tactical (WIN-T), Future Combat Systems (FCS), and Link 16.
Mr. Sheehan holds a bachelor's degree in electrical engineering from Lehigh University, a master's degree in electrical engineering from Drexel University, and a master's degree in business administration from Columbia University.

Vice President and Chief Financial Officer
Brian Miller
Brian Miller
Brian Miller is the vice president and Chief Financial Officer (CFO) for Thales Defense & Security, Inc. (TDSI). He is responsible for all aspects of TDSI's finance and accounting operations, leads the quality team, and is the company's compliance officer and management quality representative. Mr. Miller also serves as a member of TDSI's Government Security Committee and Board of Directors, Tampa Microwave's Board of Managers, and as an outside director and government security committee member for Schneider Electric Buildings Critical Systems, Inc.
Mr. Miller joined TDSI as director of finance in 2010, and was named vice president and CFO in 2015. Prior to joining TDSI, Mr. Miller worked for five years in finance/business operations at DRS Signal Solutions. He began his career as a participant in the Financial Leadership Development program at Lockheed Martin, where he worked for seven years in a variety of roles at the business unit, shared services, and headquarters levels.
Mr. Miller holds a bachelor's degree in business administration/finance and economics from the University of Notre Dame.

Chief Operating Officer
Glen E. Parker
Glen E. Parker
Glen Parker is the Chief Operating Officer (COO) for Thales Defense & Security, Inc. (TDSI). Mr. Parker is responsible for the organization's daily operations and performance on existing programs. Mr. Parker joined TDSI (then Racal Communications, Inc.) in 1992 as a program manager and has risen to his current role as COO.
Mr. Parker has over 30 years of experience in the radio communications and defense acquisition industry. He brings to this position a broad understanding of TDSI's customers, products, technologies, processes, and practices. Prior to TDSI, Mr. Parker's career included systems engineering and acquisition management support to the US Air Force.
Mr. Parker holds a bachelor's degree in electrical engineering from Tufts University.

Vice President, Communication Systems
Gary Kidwell
Gary Kidwell
Gary Kidwell is the vice president of the Communication Systems business unit for Thales Defense & Security, Inc. (TDSI). In this role, Mr. Kidwell is responsible for all tactical, satellite communications, and electronic warfare business within the US DoD and export markets.
Mr. Kidwell also held key business development and account management positions within TDSI, most recently as the director of business development for US DoD programs. In this role, he developed solid growth strategies and led disciplined opportunity pursuits that resulted in consecutive strategic awards totaling over $100M annually, including contracts for the Army Leader Radio (ALR) Program of Record and the Security Force Assistance Brigade (SFAB).
Before joining TDSI, Mr. Kidwell held senior business development roles with SCI Technology, Inc. and RJ Corman Derailment Services. Additionally, he worked for DynCorp International providing protective security for international diplomats.
Mr. Kidwell is a recently retired and highly decorated member of the United States Marine Corps (USMC), where he served in both active and reserve duty for over 23 years and achieved the rank of Master Gunnery Sergeant.
Mr. Kidwell holds a bachelor's degree in business administration from Columbia Southern University.

Vice President, System Solutions
Chris Beauparlant
Chris Beauparlant
Chris Beauparlant is the vice president of the System Solutions business unit for Thales Defense & Security, Inc. (TDSI). He leads all business and operations for System Solutions, which specializes in optronics and sensors, observation and target location, seekers and fuzes for air and ground applications, as well as, radars, sonars, and ship combat management systems.
Mr. Beauparlant began his career with Thales Components Corporation in 1996, where he managed the Angenieux commercial zoom lens business in the US, and successfully established distribution channels and a countrywide service network. He continued as director of business development for Thales Components Corporation before advancing to the position of vice president for the optronics business line in the Land Defense division. He later served as the Chief Executive Officer of Thales Components Corporation.
Mr. Beauparlant holds a bachelor's degree in business administration from the University of New Hampshire's Whittemore School of Business and Economics.

Vice President, Satcom Solutions
Steve Noel
Steve Noel
Steve Noel is the Vice President of the Satcom Solutions business unit for Thales Defense & Security, Inc. (TDSI). He leads the sales distribution, business strategy, and portfolio expansion for the ThalesLINK family of products within the global commercial and defense satellite communications markets.
Mr. Noel joined TDSI in 2009 as a Principal Engineer and quickly advanced to managing engineer roles where he developed cutting-edge satcom solutions. Leading to his current role, he was Product Line Director for Satcom Solutions. In this role, he developed and launched the ThalesLINK family of products that have quickly become the preferred L-band solutions in markets worldwide. Prior to joining TDSI, Mr. Noel performed in lead engineer roles for Nortel Networks and Raytheon.
Mr. Noel graduated from West Virginia University in 1994 with a master's degree in electrical engineering.

Vice President, Visionix
James D. Geraghty
James D. Geraghty
James (Jim) D. Geraghty is the vice president of the Visionix business unit for Thales Defense & Security, Inc. (TDSI). In this role, Mr. Geraghty leads all business and operations for Visionix, which specializes in world-leading head and helmet mounted cueing systems for military applications, and state-of-the-art motion tracking solutions sold under the brand name InterSense.
Mr. Geraghty joined TDSI in May 2015 as the director of business development for Visionix. Over the past 27 years, he has held leadership positions at BAE Systems and Litton Industries, and he served seven years as a United States Air Force (USAF) officer within the USAF Systems Command. While at BAE Systems, Mr. Geraghty served as the senior director of the Networked Communications product line, and as the senior director of business development and mission applications for BAE’s Communications & Networked Systems business unit. He has considerable experience in the capture and successful execution of major development and production programs in next-gen avionics and communication systems across the US DoD and international landscapes.
Mr. Geraghty holds a master's degree in business administration from Boston University, and a bachelor's degree from the United States Air Force Academy.

President, Thales Trusted Cyber Technologies
Lloyd Mitchell
Lloyd Mitchell
Lloyd Mitchell is the president of Thales Trusted Cyber Technologies' (TCT). As president, Mr. Mitchell is focused on expanding Thales TCT's portfolio of data security products, creating an innovative work environment, and establishing TCT as a leader in the US federal market for providing high quality products and world class customer support.
Mr. Mitchell has been with Thales TCT since its inception in January 2015. Previously, he served as TCT's vice president of technology. In this position, he led the engineering and innovation teams to develop and enhance new and existing cyber security solutions for the US federal market. Mr. Mitchell has spent over 20 years with SafeNet, Inc. (Thales TCT's predecessor), most recently serving as a chief architect.
Mr. Mitchell holds a master's degree in business administration, management information systems, general from Wilmington University, and a bachelor's degree in psychology and biology from the University of Delaware.

President and CEO,
Advanced Acoustic Concepts
Michael J. Carnovale
Michael J. Carnovale
Michael Carnovale is the President and CEO of Advanced Acoustic Concepts (AAC), a position he has held since 1992. In this capacity, Mr. Carnovale provides corporate technical and management leadership for the organization.
Mr. Carnovale is a recognized leader in the field of advanced Digital Signal Processing (DSP) technology development. Mr. Carnovale possesses technical expertise in the areas of system architectural design, systems modeling, and advanced algorithms development, leveraging open architecture and open systems technologies.
Mr. Carnovale has thirty years of experience managing and engineering DoD projects, from development through product delivery.

President, Tampa Microwave
Aaron Brosnan
Aaron Brosnan
Aaron Brosnan is the president of Tampa Microwave, a Thales company. He is responsible for all day-to-day business operations, customer commitments, strategic business direction and growth.
Prior to joining Tampa Microwave, Mr. Brosnan worked at Thales Defense & Security, Inc. (TDSI) for 15 years, where he served as vice president of the Communication Systems business unit. In that role, Mr. Brosnan was responsible for all tactical and satellite communications, and electronic warfare business with the US DoD and export markets. He also performed as TDSI’s vice president of business development, where he was responsible for leading new business initiatives in the areas of tactical and satellite communications systems, electronic warfare solutions, ground tactical vehicular and command post communications systems, and power and accessories solutions. Furthermore, Mr. Brosnan held senior management roles (in both engineering and business development) at Sanmina-SCI and Raytheon Systems.
Mr. Brosnan is a decorated veteran of the US Navy, where he served as a naval flight officer. Mr. Brosnan's awards include the Navy Commendation Medal, the Navy Achievement Medal, the National Defense Service Medal, and the Armed Forces Expeditionary Medal. He graduated with honors from the US Naval Academy with a bachelor's degree in ocean engineering. He went on to earn a master's degree in engineering management from George Washington University.

Vice President, Engineering
Doug Bishop
Doug Bishop
Doug Bishop is the vice president of engineering and information technology, and Chief Technical Officer (CTO) for Thales Defense & Security, Inc. (TDSI). In this position, he is responsible for all product design and development activities, including strategic and technical leadership of systems, RF/analog hardware, digital hardware, embedded software, digital signal processing, and mechanical engineering disciplines, as well as information technology.
Prior to his current position, Mr. Bishop joined TDSI (then Racal Communications, Inc.) in 1989 and has served the company in a number of increasingly responsible executive positions to include director of engineering and vice president of engineering.
Mr. Bishop currently serves as an officer on the company's board of directors, and is a member of the University of Maryland Electrical and Computer Engineering Department Advisory Board, the Armed Forces Communications and Electronics Association (AFCEA), and Institute of Electrical and Electronic Engineers (IEEE).
He holds a bachelor's degree in electrical engineering from the University of Maryland.

Vice President of Human Resources and Ethics Officer
Stacey Bostock
Stacey Bostock
Stacey Bostock is the vice president of human resources & ethics officer for Thales Defense & Security, Inc. (TDSI). In this role, Ms. Bostock oversees strategies and initiatives for human resources, marketing & communications, and proposal management.
Prior to this role, Ms. Bostock was the director/manager of human resources, and before that was the senior staff accountant for TDSI. Early on, Ms. Bostock worked as a finance contracts manager for Thompson Reuters, and as the assistant controller and corporate benefits plan administrator for Marriott International, Inc.
She holds a bachelor's degree in organizational management from Columbia Union College.

Vice President, Program Management
Jeff Detwiler
Jeff Detwiler
Jeff Detwiler is the vice president of program management for Thales Defense & Security, Inc. (TDSI). In this position, Mr. Detwiler oversees the successful management and delivery of products for all TDSI programs. Prior to this role, Mr. Detwiler performed as the director of program management for the TDSI Communications business line. He also served as the product line manager for the Thales AN/PRC-154 family of handheld tactical radios, a multi-faceted role that encompassed overall product management, product roadmap definition and planning, marketing, and new business development.
Mr. Detwiler joined TDSI in 1999 as a subcontracts project manager, and has since served in management positions of increasing responsibility, achieving over 20 years of program management, product development, and business development experience. Responsibilities have also included oversight for the related test engineering and production functions, as well as managing overall technical, administrative, and fiscal performance on tactical communications programs.
Mr. Detwiler holds a master's degree in business administration from the University of Maryland and a bachelor's degree from Wilmington College.

Vice President, Contracts, Legal & Trade Compliance
Melissa Borzone
Melissa Borzone
Melissa Borzone is the vice president of contracts, legal & trade compliance for Thales Defense & Security, Inc. (TDSI). In this role, Ms. Borzone is responsible for managing a diverse portfolio of contracts for federal, commercial, and international customers; and for ensuring company-wide compliance with international trade regulations.
Ms. Borzone has over 25 years of hands-on experience in government and commercial contracting. She joined TDSI in 2006. Prior to attaining her current position in 2021, Ms. Borzone served in positions of increasing responsibility within the contracts department.
Ms. Borzone holds a master's degree in business administration from the State University of New York, and a bachelor's degree in operations management from Grove City College.

Vice President, Manufacturing and Operations
Gary Williams
Gary Williams
Gary Williams is the vice president of manufacturing and operations for Thales Defense & Security, Inc. (TDSI). Mr. Williams joined TDSI (then Racal Communications, Inc.) in 1992 as a diagnostic technician and worked his way up performing various management positions. In his current role, Mr. Williams oversees all materials, manufacturing, concurrent and test engineering, and shipping activities at TDSI's manufacturing facility, which produces state-of-the-art tactical communications equipment, helmet-mounted display units, satellite terminals, and air traffic management equipment.
Mr. Williams holds a bachelor's degree in business administration from the University of Maryland.

Corporate Security Officer and
Vice President of Security
Curtis Chappell
Curtis Chappell
Curtis Chappell is the Corporate Security Officer (CSO) and vice president of security for Thales Defense & Security, Inc. (TDSI). As CSO, Mr. Chappell is responsible for all TDSI and subsidiary programs’ security operations and compliance activities, including physical security, personnel security, counterintelligence, insider trust, and risk-based industrial security oversight.
Mr. Chappell serves as principal advisor to the Government Security Committee (GSC) in matters concerning classified information, national security, National Industrial Security Program (NISP) and proxy agreement compliance requirements. He is also a subject matter expert for industry best practices and operational oversight of Foreign Ownership, Control or Influence (FOCI) mitigation programs.
Mr. Chappell joined TDSI in 2017 as director of security and has since led a premier industrial security program, consistently rated as "Superior," and in 2020 was awarded the prestigious James S. Cogswell Outstanding Industrial Security Achievement Award.
Mr. Chappell holds a bachelor's degree from the United States Merchant Marine Academy; is a certified Industrial Security Professional (ISP®); and national board member of NCMS, the society of industrial security professionals.

Chief Information Officer and
Vice President of Facilities Operations
Phillip Rice
Phillip Rice
Phillip Rice is the Chief Information Officer (CIO) and vice president of facilities operations for Thales Defense & Security, Inc. (TDSI). As CIO, Mr. Rice is responsible for all information technology activities, including strategic and technical leadership of network and development operations, cybersecurity, application development, and client services. He also oversees facilities operations and long-range planning for real estate assessment; construction and lease; building automation; energy management; Health, Safety and Environment (HSE); and environmental sustainability initiatives.
Mr. Rice is the technical and compliance advisor to TDSI's Government Security Committee, and a subject matter expert for industry best practices for the protection of national security information, including National Institute of Standards and Technology (NIST) special publications, Cybersecurity Maturity Model Certification (CMMC), and Foreign Ownership Control or Influence (FOCI) governance.
Mr. Rice joined TDSI (then Racal Communications, Inc.) in 1994 and continues to lead enterprise improvement projects to ensure TDSI's industry leadership in modern and secure information systems.