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Government Contractors | Technology 2025: RIDDLE, ADAM
In 2023, Riddle was named chairman and CEO of Rolls-Royce North America and president of its defense division. He has more than a decade of experience with the British aerospace, defense and engineering company. Before taking on his latest roles, Riddle headed up Rolls-Royce’s global services division. Previously, he was d[...]
Government Contractors | Technology 2025: SEGURA, ENRIQUE
A native of Argentina, Segura is the billionaire chairman of ENSE Group, a holding company for multiple subsidiaries that mainly perform work for foreign governments. A resident of McLean, Segura maintains leadership roles at ENSE’s companies, including Securiport, which designs airport security systems; Harbass, which adv[...]
Government Contractors | Technology 2025: RYAN, TERRY
Ryan was named CEO of global risk management firm Constellis Holdings in 2021, having previously served as its lead director. Before coming to Constellis, Ryan was CEO of Adroit Systems, VT Group and Tenax Aerospace. He also held senior executive positions at Science Applications International Corp. (SAIC), Mercury Systems and M[...]
Government Contractors | Technology 2025: SERAFINI, JOHN
Founded by Serafini in 2015, HawkEye 360 is a geospatial analytics company that collects radio frequency data by satellite to identify and track activity and trends for military, maritime and intelligence clients. Before launching HawkEye, Serafini was senior vice president of Allied Minds. A former U.S. Army infantry officer, S[...]
Government Contractors | Technology 2025: WALKER, TOM
Walker launched aerial drone services provider DroneUp in 2016 after spending 17 years as president of software company Web Teks. He also spent nearly 17 years as an officer in the U.S. Navy. DroneUp partnered with Walmart in 2021 to deliver items by drone, expanding the retailer’s delivery network, but in December 2024, D[...]
Government Contractors | Technology 2025: BIDZOS, D. JAMES
A native of Greece, Bidzos is an internet and cybersecurity pioneer and an early advocate for encrypted commercial software. VeriSign, a company he founded in 1995 as a spinoff of RSA Data Security, is the world’s largest internet domain name registration and infrastructure provider. Any address with a .com or .net domain [...]
Government Contractors | Technology 2025: USTICA, JOHN
Before being named president and CEO in 2022 of the U.S. contracting arm of German tech conglomerate Siemens, Ustica served as SGT’s senior vice president and chief financial officer. Now, he oversees a government contracting firm focused on securing and modernizing technology infrastructure. Before joining SGT in 2018, Us[...]
Government Contractors | Technology 2025: DAHUT, KAREN
Dahut became CEO of Google Public Sector, a subsidiary focused on government and educational contracting, in 2022. Before joining Google, Dahut led Booz Allen Hamilton’s $4 billion global defense business. Dahut served in the U.S. Navy for six years, including at the Navy Medical Research Institute in Maryland. As a civili[...]
Government Contractors | Technology 2025: ASH, RON
In 2024, Ash succeeded John Goodman as CEO and board chair for Accenture Federal Services, an Accenture subsidiary that serves U.S. federal government clients. Ash served as chief operating officer at AFS since 2022. He joined Accenture in 1996 and moved to AFS in 2002, taking on various executive roles. Ash landed for the first[...]
Government Contractors | Technology 2025: ROZANSKI, HORACIO D.
Rozanski leads Fortune 500 global management, technology, engineering and consulting firm Booz Allen, the largest provider of AI services to the federal government. Booz Allen employs 35,800 people worldwide and reported fiscal 2025 earnings of $12 billion. Born in Argentina, Rozanski started out at Booz Allen as an intern in 19[...]
Government Contractors | Technology 2025: STOTTLEMYER, TODD
With nearly eight years leading Acentra Health, Stottlemyer oversees a health care solutions company that employs approximately 3,000 people across the United States and India. Founded in 1994 as Client Network Services, the company was acquired by Carlyle Group in 2021, then merged with Nashville, Tennessee-based health care ma[...]
Government Contractors | Technology 2025: WINTER, LINDSAY BERRY
A Hampton Roads native, Winter oversees the e-commerce giant’s economic and community investments in Virginia, where Amazon has its East Coast HQ2 headquarters in Arlington County. Since 2010, Amazon has invested more than $135 billion in Virginia through infrastructure and compensation for its 42,000 employees in the stat[...]
