Who We Are

US AI is a self-healing, zero trust, codeless AI infrastructure powering intelligent applications for world’s most forward-thinking businesses. Our mission is to radically transform industries and lives. Our greatest area of pride is the late nights, passion, and innovation we put into helping each and every one of our clients succeed.

Meet Our Leaders

David T. Nguyen

Founder & Chief Executive Officer

David is a creative thinker and passionate innovator who wants to change the world with great technology. He has over 20 years of extreme innovation experience. David has built an amazing, award-winning company that has made history with clients such as HHS, GSA, and the CDC. He also serves on the Board of Directors of the Maryland Technology Council, Montgomery County Chamber of Commerce, Workforce Development Board, and The Community Foundation. He is also an Adjunct Professor at the University of Maryland.

He is a lifelong learner and welcomes new challengers. He holds (1) a Juris Doctorate (JD) from the Antonin Scalia Law School; (2) a Master’s in Business Administration (MBA) from the Massachusetts Institute of Technology (MIT); and (3) several Bachelor of Sciences (BS) in Computer Science, Biochemistry, and Physiology & Neurobiology from the University of Maryland. Also, he is a Certified Information System Security Professional (CISSP), Certified Project Management Professional (PMP), and Certified Scrum Master (CSM).

Macey Smith

Co-Founder & Chief Growth Officer

Macey Smith is a visionary leader with over 15 years of experience in spearheading digital transformations in critical sectors like cybersecurity, healthcare, and procurement. Her expertise shines in her ability to merge human-centered design principles with the latest emerging technologies, which positions her as one of the leading innovators behind US AI. Macey’s vision and relentless advocacy for the end-user has put US AI at the forefront of the Cyber AI revolution.

Macey holds an MBA and a BS in Economics from the University of Maryland. A certified SAFe Practitioner (SAFe SP), she also holds a Professional Certification for Hyperledger Blockchain for Business from the Linux Foundation, and a distinguished Certificate in AI Leadership Development from the MIT Sloan School of Management.

Robert Lyddan

Senior Vice President

Robert Lyddan leads the company’s enterprise go-to-market efforts. He has built a career scaling high-performing sales teams and accelerating revenue growth in some of the most regulated and technically demanding markets. His executive experience spans top-tier firms including Gartner, Bloomberg LP and Bear Stearns.

A graduate of Tulane University, he brings over 15 years of leadership experience at the intersection of technical innovation, enterprise evolution and tangible business value. His approach emphasizes disciplined execution, team development, and sustained scale at speed.

Jamie Holcombe

Vice President

Jamie is leading the expansion of Intelligent Computing across the Department of Commerce. A nationally respected digital leader, Holcombe brings a record of bold modernization, responsible technology adoption, and values-based leadership across both public and private sectors.

As CIO of USPTO, he spearheaded one of the largest IT transformations in the federal government. He transitioned USPTO to a resilient, cloud-first, product-centric architecture and launched the agency’s first internal AI Lab. His efforts modernized mission-critical systems, empowered product teams, and earned USPTO its first CIO 100 Award for innovation in artificial intelligence and machine learning. Before joining government, he held executive roles in commercial technology and national security. 

He holds a Bachelor of Science in computer science from the U.S. Military Academy at West Point (first in his class), an MBA in information systems from Chaminade University, and a Master of Science in computer science from George Washington University.

Andrea Montgomery

Vice President, Commercial Sales

Andrea Montgomery is a seasoned leader in IT research and advisory services, with over 12 years of experience spanning Client Success, Enterprise Sales, and Product Go-to-Market strategy. Her work centers on driving strategic growth, expanding market reach, and building high-impact partnerships that accelerate business outcomes.

Andrea holds a B.A. in Organizational Communication with a minor in Interdisciplinary Social Science, equipping her with a strong foundation in both analytical and human-centered disciplines. Her cross-functional expertise and client-focused approach have made her a trusted advisor to enterprise technology leaders navigating complex transformation.

Raiza Basilio

Vice President, Homeland Security

Raiza Basilio leads the Department of Homeland Security portfolio. In this role, Raiza drives strategic growth by aligning cybersecurity and AI solutions with mission-critical needs across DHS and its components.

Prior to joining US AI, Raiza served as Vice President for the Citizen Service & Defense portfolio at Steampunk, where she led innovative IT modernization programs that enhanced mission outcomes for both citizen-facing and defense agencies. Earlier in her career, Raiza held leadership roles at IBM Technology, delivering cybersecurity, data science, emerging tech, and business transformation initiatives across the federal sector.

With over 15 years of experience in government contracting, cybersecurity, AI, and technology delivery, Raiza is known for building trusted partnerships, driving execution excellence, and delivering impactful solutions that advance agency missions.

Celia Hollon

Director, Marketing

As Director of Marketing, Celia Hollon merges creativity with analytical rigor to shape how US AI is positioned, understood, and adopted.  She leads with bold, differentiated narratives that resonate across markets and turn complex ideas into tangible value.

With a background in Economics from the University of Tennessee, she brings over a decade of proven experience in go-to-market strategy, building partner ecosystems, and scaling growth in emerging industries. Celia is known for her clarity of vision, operational precision, and ability to drive meaningful change.

David Scalcione

Director of Infrastructure

David has a lifelong passion for technology and infrastructure automation, with over 20 years of experience in the industry. He makes it his mission to learn about new emerging technologies in infrastructure security and automation and to reshape how companies’ think of IT infrastructure. His knowledge touches many areas of technology including infrastructure engineering and automation, cloud engineering, and Kubernetes. David believes US AI’s focus on emerging technology and extreme innovation gives him the perfect environment to expand his career and discover new ways to make infrastructure solve new technology and business challenges.

David holds a degree in Computer Networking and Security from University of Phoenix. He also holds CompTIA A+ and Network+ Certifications.

Robert Goebel

Creative Director

Rob has an incredible talent for transforming complexity into simplicity. He is motivated by his remarkable team that leverages Human Centered Design and emerging technology to redefine user experience and reshape the future. Rob applies his creative perspective to solve business problems and curate effortless interactions between humans and technology. He believes US AI is that place to push the limits and accelerate your career.

Rob holds a BA from Duquesne University, and a degree in Graphic and Web Design from the Art institute of Washington.

MEET OUR LEADERS

Founder & Chief Executive Officer

Co-Founder & Chief Growth Officer

Senior Vice President

Vice President

Vice President, Homeland Security

Vice President, Commercial Sales

Director of AI

Director of Marketing

Director, Quality Assurance

Program Director

Director of Infrastructure

Creative Director

Meet Our Leaders

Founder & Chief Executive Officer

Co-Founder & Chief Growth Officer

Senior Vice President

Thomas Bell

Executive Advisor

Vice President, Commerce

Vice President, Homeland Security

Vice President, Commercial Sales

Director of Infrastructure

Director of Artificial Intelligence

Director of Marketing

Director of Quality Assurance

Program Director

Creative Director

Featured on Bloomberg

Awards

Best Cyber Company and Product

The Fortress Cybersecurity Award program highlights and rewards the creative thinking, engineering, people, and projects taking on the growing threat of digital security and protection.

INC 5000
Fastest Growing Companies in America

The fastest growing companies that are delivering solutions to our nation’s biggest problems – and growing their businesses like crazy doing it.

Hermes Creative Awards
Best Creative Companies

Hermes Creative Awards honors the messengers and creators of the information revolution. Armed with their imaginations and computers, Hermes winners bring their ideas to life through traditional and digital platforms.

The Federal 100
Top 100 Federal Leaders

The Federal 100 honors the leaders at all levels who have gone above and beyond in each calendar year to show how technology can be leveraged to make the government run better.

World Commerce and Contracting Top Global Innovators
Top Global Innovators

The top global innovators making meaningful impact in commercial contract and commerce.

World Commerce and Contracting Top Global Innovators
Finalist for The Moxie Awarded 2024

The Moxie Award program recognizes organizations based in the DC-metro area for their Boldness in Business. An organization charactierized by “moxie” is perceieved as innovative, fearless, and willing to embrace risks to achieve its goals.

Where We Are

At the intersection of innovation and entertainment, our office is located in the heart of Pike and Rose: a community where people want to change the world, play, and live all in the same area. Being part of such a diverse community that is alive and limitless has awarded us with some great honors such as being featured in Washington Business Journals Coolest Office Spaces 2017 and receiving the Montgomery County Chamber of Commerce Spirit of Free Enterprise Award. There is never a shortage of possibilities here whether that’s meeting new people, finding a new favorite restaurant or catching a special event after work.