Board of Advisors

Archana Bae

Founder & CEO, Porta Strategies LLC

Archana is a national security and financial crime executive with nearly 25 years of experience spanning the U.S. government and the private sector. Her career began in the immediate aftermath of 9/11, shaping a sustained focus on protecting people, institutions, and financial systems from complex security and economic threats.

She has held senior roles across the U.S. Intelligence Community and national security enterprise, including with the Central Intelligence Agency, the Office of the Director of National Intelligence, the National Counterterrorism Center, the Federal Bureau of Investigation, and the U.S. Department of the Treasury.

Following her government service, Archana served as Vice President and U.S. Regional Head of Sanctions Investigations at HSBC, supporting regulatory remediation and compliance initiatives. She later advised global financial institutions, fintechs, and governments on sanctions, anti-money laundering, and financial-crime risk management as a Senior Director at a leading consulting firm, and then served as a Managing Director at a technology startup focused on behavioral analytics and machine learning before founding Porta Strategies LLC in Washington, DC.

Porta Strategies serves U.S. government agencies, foreign governments, financial institutions, and technology companies, providing high-impact insights on anti-money laundering, sanctions compliance, export controls, cybersecurity, and broader national and global security issues. Archana holds an MBA from Johns Hopkins University and a Graduate Certificate in Intelligence and Analysis from Mercyhurst University.

David Popelier

Chief Executive Officer, Acclaim Technical Services (ATS)

David Popelier is Chief Executive Officer of Acclaim Technical Services (ATS) and brings more than 20 years of leadership experience across the national security community. He began as a civil servant at the State Department and has since served the Intelligence Community in both government and industry, including in management and leadership roles at SAIC, LMI, and Oracle. David co-founded, scaled, and sold the consulting firm FourWinds, and has led executive engagements on organizational performance, analytics, and strategy.

David joined ATS in 2020 to lead the company's nascent technology services portfolio as a Division and then Business Unit General Manager. From 2020 to 2024 David was instrumental in growing the technology, engineering, and cyber services portfolio from $13M to $107M through acquisitions and organic growth, securing prime positions for ATS on strategic contract vehicles. The ATS Board of Directors named David Popelier to the CEO role in 2025. In 2026 Washington Exec named David private company CEO of the Year in the medium-sized revenue category.

David holds an MBA from George Mason University, a Master's degree in National Security Studies from Georgetown University, and a Bachelor's degree in Spanish and History from the University of Wisconsin-Madison. He is a Certified Analytics Professional and Project Management Professional.

Sherry Van Sloun

People business Partner, Strider technologies

Former Executive Director
for Mission Integration, ODNI

Sherry is a retired senior intelligence executive with more than three decades of service across the U.S. Intelligence Community, the National Security Agency, and the U.S. Army. She now serves as People Business Partner at Strider Technologies, applying that experience to talent and workforce strategy in the private sector.

At the Office of the Director of National Intelligence, Sherry was Executive Director for the Directorate for Mission Integration, leading strategic mission operations support that included the President's Daily Brief and the National Intelligence Council. She previously served as Assistant DNI for Human Capital, directing workforce strategy and policy across the nation's intelligence agencies, and as Director of Human Resources for the ODNI.

Earlier, as Chief of Staff of the Office of the National Counterintelligence Executive (ONCIX), she ran financial, personnel, property, and IT operations, and as Executive Secretary governed correspondence for the National Counterintelligence Executive and the National Counterintelligence Policy Board. Before ODNI, she spent ten years at the National Security Agency with multiple assignments in the Signals Intelligence Directorate, and served eight years in the U.S. Army as a signals analyst, including a tour with the Berlin Brigade during the first Gulf War.

Sherry holds a Bachelor of Science in Political Science from the University of Maryland University College. She is a graduate of the National War College, class of 2013, and a fellow of the Council on Foreign Relations.