Strategic Hires Across Threat Intelligence, HUMINT, and Global Investigations Further Strengthen 5Si’s Ability to Deliver Clarity and Decision Advantage In High-Stakes Environments Worldwide

5 Stones intelligence (5Si)®, a leading professional intelligence and investigations firm, today announced the expansion of its leadership team with the addition of four senior professionals from the Central Intelligence Agency (CIA), National Security Agency (NSA), and Homeland Security Investigations (HSI). These appointments reinforce the firm’s ability to deliver high-level intelligence, investigative precision, and strategic clarity for Clients operating in complex, high-risk environments.

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5 Stones intelligence (5Si)® expands its leadership team with four senior experts from the CIA, NSA, and HSI, strengthening global intelligence, investigations, and risk advisory capabilities.

“These professionals have operated at the highest levels of the U.S. Intelligence Community and federal law enforcement,” said 5Si Founder David tinsley. “They bring not only exceptional experience, but the discipline, judgment, and operational perspective required to navigate the most complex challenges our Clients face. Their addition strengthens our ability to deliver intelligence that drives confident, informed decisions.”

The new hires bring decades of combined experience across the U.S. Intelligence Community and federal law enforcement, including leadership roles within the CIA, NSA, Department of Defense, and Homeland Security Investigations. Certain personnel are identified in accordance with prior government and intelligence roles.

• N. Levine, Director of Cyber & Technical Threat Intelligence
  Mr. Levine has been appointed as Director of Cyber & Technical Threat Intelligence for 5 Stones intelligence, bringing extensive leadership experience across cybersecurity, enterprise security strategy, and risk mitigation within highly sensitive government and commercial environments. A recognized Subject Matter Expert in cybersecurity compliance frameworks, advanced disruption strategies, and next-generation Endpoint Detection & Response (EDR) platforms, Mr. Levine has led highly classified teams across the U.S. National Security community, including NSA, DoD, and JSOC operations. At 5Si, he advises government and commercial Clients on evolving geopolitical, technology, and cyber threats, aligning intelligence-driven security strategies with business objectives. Mr. Levine designs proactive threat intelligence frameworks to identify vulnerabilities, mitigate risk, and support informed decision-making and is a recipient of multiple National Intelligence Awards.

• L. Giem, Director of HUMINT Programs
  Mr. Giem has joined 5 Stones intelligence as Director of HUMINT Programs, providing strategic guidance to government, corporate, and financial Clients. A former Senior CIA Case Officer and diplomat with more than two decades of experience, he held senior leadership roles, including Chief of Station in multiple overseas postings and Chief of Operations for a major intelligence station. Mr. Giem brings deep expertise in HUMINT, counterintelligence, cyber, and sensitive technical operations across global environments. Renowned for developing and executing complex intelligence operations, Mr. Giem has extensive experience identifying and recruiting high-value Sources while mitigating operational risk. He has collaborated across the U.S. Intelligence Community, including DoD, Department of State, FBI, DEA, and international partners, and has represented U.S. intelligence interests at the highest levels. As a certified CIA Intelligence Educator, Mr. Giem also brings advanced training and tradecraft development capabilities to 5Si’s Clients.

• Jason Laguna, Director of South & Central American Operations
  Mr. Laguna has been named Director of South & Central American Operations for 5 Stones intelligence, leading intelligence and investigative engagements across South and Central America. His work focuses on financial crime risk, international fraud, AML, corruption exposure, and cross-border threats impacting corporate integrity, regulatory compliance, and strategic decision-making. Mr. Laguna brings decades of senior leadership experience from Homeland Security Investigations (HSI), where he held executive roles in Washington, D.C., and Miami, overseeing complex transnational investigations. He previously served as Assistant Special Agent in Charge of the HSI El Dorado Money Laundering Task Force, directing multi-agency efforts targeting financial crimes, corruption, and illicit global networks. Mr. Laguna leverages this experience to support Clients in identifying vulnerabilities, assessing exposure, and responding to regulatory or investigative challenges with clarity and precision.

• Mack Strong, Director of Global Security & Sensitive Investigations and Intelligence
  Mr. Strong joins 5 Stones intelligence as Director of Global Security & Sensitive Investigations and Intelligence, overseeing complex international investigations for government, corporate, and private Clients. A former HSI Supervisory Special Agent, he led landmark global investigations for the Department of Homeland Security and law enforcement operations. he brings extensive expertise in international finance, money laundering, and illicit financial activity, and is a recognized Subject Matter Expert in anti-money laundering, sanctions enforcement, and financial compliance frameworks, including the Patriot Act, Bank Secrecy Act, OFAC, and FCPA. At 5Si, Mr. Strong provides strategic guidance across high-risk investigations and intelligence initiatives, supporting Clients with clarity, discretion, and results-driven execution.

“Our Clients rely on us when the stakes are highest,” added Bailea Tinsley, 5Si Director of Global Investigations & Intelligence Services. “Expanding our team with talent from agencies such as the CIA, NSA, and HSI enhances our ability to identify hidden risk, uncover what others miss, and provide clear, actionable intelligence and comprehensive investigations in moments that demand certainty for our government and commercial Clients.”

About 5 Stones intelligence (5Si)®

5 Stones intelligence (5Si)® is a leading U.S.-based intelligence and investigations firm founded in 2007, with offices in Miami, Florida, Washington D.C., and global operations across Europe, Israel, Levant, the Middle East, Asia, Africa, and the Americas, delivering full-spectrum solutions in human intelligence (HUMINT), forensic investigations, financial and technical intelligence, risk mitigation, AML compliance, and protective services, for government, corporate, legal, and Clients. Staffed by over 200 elite professionals from the DEA, FBI, CIA, ATF, IRS, HSI, NSA, London’s Metropolitan Police, NCA, Navy SEALs, Delta, MARSOC, U.S. Special Operations Forces, and Israel’s Unit 8200, 5Si operates the world's largest private HUMINT network, providing mission-critical intelligence with integrity, discretion, and international reach. Learn more at 5stonesintelligence.com.

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“They bring not only exceptional experience, but the discipline, judgment, and operational perspective required to navigate the most complex challenges our Clients face.” —5Si Founder David tinsley