Leadership
Meet the executive team responsible for leading our 47,000 forward-thinking employees towards our shared mission of making the world safer, healthier, and more efficient through technology, engineering, and science.
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Board of Directors
Tom Bell is the Chief Executive Officer of Leidos (NYSE: LDOS), a $17 billion leading technology and national security company delivering smarter and more efficient hardware and software solutions across defense, intelligence, homeland security, digital modernization, and health.
Since becoming CEO in 2023, Bell has led Leidos through a period of significant strategic transformation, positioning the company at the intersection of advanced technology and mission outcomes. Now, he is executing the company’s NorthStar 2030 strategy, accelerating its core growth pillars including space and maritime, energy infrastructure, digital modernization and cyber, mission software, and managed health services.
Bell is strengthening Leidos’ role as a trusted innovation partner to governments and critical infrastructure operators worldwide. His leadership emphasizes scaled technology delivery, alignment with evolving national priorities, and acceleration of capabilities in AI, cutting-edge defense tech, and critical infrastructure modernization. Under his leadership, the company has delivered consistent, strong operational performance, record revenues, and industry-leading profitability.
Bell brings nearly four decades of experience across the aerospace, defense, and advanced technology sectors. Prior to Leidos, he served as President of Rolls-Royce Defense and Chairman and CEO of Rolls-Royce North America, where he led global operations supporting aerospace, naval, and nuclear submarine missions.
Earlier, he spent more than 20 years at Boeing in senior leadership roles across strategy, global sales, and international operations, advancing major defense programs and shaping long-term market strategy. He began his career in human spaceflight engineering with Martin Marietta (now Lockheed Martin).
Bell holds a Bachelor of Arts from Louisiana State University and an MBA from the Florida Institute of Technology. He serves on the Executive Committee of the Aerospace Industries Association, the Board of the Professional Services Council, and is a member of the Business Roundtable.
Mr. Dahlberg’s nearly 40-year career encompasses leadership positions with congressional committees, federal agencies and private industry with specialized expertise in military affairs and federal budgeting. Most recently, he led Lockheed Martin’s Washington operations, where he drove advocacy, marketing and legislative strategies for the organization’s largest programs. He also directed the organization’s liaison activities with Congress, the White House, federal agencies, industry associations, state governments and foreign embassies.
Previously, Mr. Dahlberg served for over two decades as a senior staff member for the House Appropriations Committee, including seven years as Minority Staff Director of the House Appropriations Defense Subcommittee with jurisdiction over programs of the Department of Defense and intelligence agencies.
Mr. Dahlberg also served as the 26th Under Secretary of the Army, the Army’s second highest ranking civilian leader, playing a critical role in all matters related to the management and operation of the U.S. Army, including programming and budgeting. He was appointed Acting Secretary of the Army in early 2001.
Mr. Dahlberg’s early career included work on national transportation budgeting and programs for the House Appropriations Committee.
Mr. Fubini served over three decades with management consulting firm McKinsey & Company, where he held various senior leadership roles, including founder and leader of the firm’s Global Merger Management Practice. His practice focused on corporate mergers and acquisitions, helping companies develop and execute transformative growth strategies.
Throughout his management consulting career, he has led several industry-transforming transactions and integration efforts for IBM, Coca-Cola, DuPont, and Merck, among other large multinational enterprises. Additionally, Mr. Fubini has also led several of McKinsey’s largest organizational turnaround engagements, designing and implementing strategies for sustainable shareholder value creation.
As the Boston Office Manager, Mr. Fubini re-energized McKinsey's New England operation in the early 90s, leading the firm's successful expansion in the region for over a decade and developing strong experience in attracting and retaining top talent. He also co-chaired and was a member of many of the firm-wide committees responsible for McKinsey's governance structure.
As a Senior Lecturer and Henry B. Arthur Fellow at Harvard Business School, Mr. Fubini teaches courses on strategic leadership, organizational behavior and marketing.
Ms. Geer has over 35 years of experience in healthcare information technologies, having overseen technology operations at one of the largest healthcare providers and healthcare IT services companies in the country, where she was responsible for managing a network of more than 300 healthcare facilities across the United States.
Over her tenure, she developed deep expertise in integrating clinical and outpatient strategy with information security into innovative IT applications. She spearheaded multiyear initiatives to build new electronic health record systems, enhance clinical decision support, virtualize data centers and improve core clinical infrastructure to support patient care. She was also responsible for leading the organization’s comprehensive data privacy and cybersecurity efforts and programs focused on IT governance, ethics and compliance.
Under Ms. Geer’s leadership, the IT services group was recognized with over 20 industry awards, solidifying HCA Healthcare’s reputation as a premier clinical organization.
Additionally, she previously served as Chief Information Officer at a healthcare services company that exclusively partnered with government agencies, gaining deep insights into their operations and priorities. She also contributed to the American Hospital Association Working Group for Health IT Standards.
Ms. Jonas is a recognized expert in military, defense and aerospace issues, with a transformational leadership track record in successful strategic planning, business development, operations, finance and technology deployment at the highest levels of the U.S. government and commercial sectors.
Her most recent executive leadership roles included oversight of UnitedHealth Group’s divisions that serve federal agencies and focus on enhancing healthcare delivery and patient care, offering valuable expertise related to Leidos’ health solutions. Prior to that, she served in senior leadership roles in prominent defense, aerospace and technology companies, overseeing global operations and strategic planning.
Prior to her service in the commercial sector, she spent over 20 years in federal government agencies, having held senior strategic and financial leadership roles in the Department of Defense, FBI and the House Appropriations Committee.
Ms. Jonas is a recipient of many honors, including the Department of Defense Medal for Distinguished Public Service and the Chairman of the Joint Chiefs of Staff Joint Distinguished Civilian Service Award.
As an executive partner at a leading private equity firm for nearly two decades and a former Chief Financial Officer at a global healthcare company, Mr. Kraemer contributes strong financial acumen and extensive investment experience to the Board. His background in corporate banking further enhances the Board’s oversight of financial strategy, reporting, operations and capital allocation strategies. He is also a Certified Public Accountant.
His 23-year tenure at Baxter International culminated in serving as Chairman and CEO with oversight responsibility for over 50,000 employees in 103 countries, developing strong experience in driving technological innovation, managing diverse business lines and supporting evolving talent management strategies to ensure the retention of top talent. Previously, he served in a variety of senior leadership roles in both domestic and international operations with oversight responsibilities for business development, global communications and European operations, as well as managing several business lines.
Mr. Kraemer is known for building high-performing organizations and has written several bestselling books on values-based leadership.
As an accomplished scholar and engineer, Dr. May oversees the most comprehensive campus in the University of California system, serving over 40,000 students. Under his leadership, UC Davis has achieved Top 10 recognition in four national university rankings and the university’s research programs have secured over $1 billion annually in sponsored research promoting innovation and enhancing America’s economy.
Throughout his career, Dr. May advanced inclusion in the STEM fields – science, technology, engineering and math – by creating and growing programs aimed at enhancing career mobility and upskilling to meet market demand for highly skilled professionals in emerging, industry-transforming technologies, including data analytics, cybersecurity, and software development. In 2015, President Barack Obama honored Dr. May with the Presidential Award for Excellence in STEM Mentoring. He also has received the Lifetime Mentor Award from the American Association for the Advancement of Science.
Dr. May was a National Science Foundation graduate fellow and an AT&T Bell Laboratories graduate fellow and worked as a member of the technical staff at AT&T Bell Laboratories. He is a former member of the National Advisory Board of the National Society of Black Engineers.
Vice Admiral Norton has significant expertise in cybersecurity and information networks, developed through her leadership positions within the Department of Defense, where she worked with members of the military and civilian staff to secure, operate and defend the Department of Defense Information Network in more than 42 countries. As the commander of JFHQ-DODIN, she was in charge of synchronization of defensive cyberspace activities to ensure unity of command and effort across the Department of Defense.
Through her more than 34 years of active-duty service as an officer in the U.S. Navy, Vice Admiral Norton oversaw the development of extensive global telecommunications and cybersecurity programs for naval fleets and information warfare programs, holding command and posts in multiple international locations. She is a recipient of the National Security Agency’s Frank B. Rowlett Award for individual achievement in information security.
Ms. Norton has extensive human capital management experience through her time overseeing a global network of 8,000 military and civilian personnel at DISA, supporting the President, Secretary of Defense, Joint Chiefs of Staff and other mission partners across combat support operations.
As former Acting Secretary of Defense and the 33rd Deputy Secretary of Defense, Mr. Shanahan led the development of key government defense policies and strategies, which included the 2018 Department of Defense Strategy and the 2018 Cyber Posture Review. A passionate champion of digital and technological advancement, he drove modernization in cybersecurity, AI and cloud computing across the Department of Defense operations. In 2018, he instituted the Joint Artificial Intelligence Center (JAIC) and oversaw the development of the Department of Defense’s AI Strategy.
In his role as former CEO of a leading aerostructures manufacturer and having spent over three decades in the aerospace industry, Mr. Shanahan has overseen profit and loss centers for both civil aviation and defense units. He has also acquired manufacturing and supply chain expertise through his responsibilities for manufacturing operations and supplier management functions, including the implementation of advanced manufacturing technologies and global supply chain strategies.
As a former CEO of a major utility company and senior executive in numerous energy companies, Mr. Shapard demonstrated a strong track record of successfully deploying large-scale systems, cybersecurity protocols and advanced sustainable technologies, which enable him to effectively oversee Leidos’ technological offerings, operations and strategic leadership in sustainable solutions for clients.
His decades of leadership in the highly regulated energy and utility industries also provided him with a deep understanding of federal and state regulatory environments, procurement and compliance requirements, and strategic partnerships with government entities and public policy.
Mr. Shapard also has deep expertise in corporate finance, financial risk management, capital markets, investments and capital allocation strategies from his executive financial leadership roles, including his service as CFO of several public companies. He brings experience in managing corporate M&A, having overseen Oncor Electric Delivery Company’s 2018 majority-stake sale to Sempra Energy and Ultramar Diamond Shamrock’s restructuring and other strategic initiatives that supported its merger with Valero Energy, creating one of the largest oil refiners in the country at that time.
Committee Composition
Board Communication
Stockholders and other interested parties may communicate with the Board, the independent directors as a group or any of the independent directors, including committee chairs and the independent chair, by using the following address:
Leidos Holdings, Inc.
Office of the Corporate Secretary
1750 Presidents Street
Reston, VA 20190
Each communication should specify the intended recipient(s). The Office of the Secretary will initially process the communications, summarize lengthy or repetitive communications and forward them to the applicable member(s) of the Board as appropriate. Communications may also be referred to other departments within the Company for action and resolution. The Company will refrain from forwarding to the Board any communication that it determines to be primarily commercial in nature, mass mailings, resumes or job inquiries, any communication that relates to an improper or irrelevant topic, or that requests general information about the Company.