Nicolas Letts brings more than 20 years of experience in investigations, security risk management, compliance, political risk, and business intelligence across Latin America and the United States. Throughout his career, Mr. Letts has served as a trusted advisor to boards of directors, C-suite executives, investment funds, and multinational corporations, helping them navigate complex operating environments, manage critical risks, conduct sensitive investigations, and support strategic decision-making across the Americas.
At Guidepost Solutions, Mr. Letts advises clients on cross-border investigations, integrity and reputational risk, security and conflict risk management, stakeholder engagement, and compliance matters. He leads complex matters involving allegations of fraud, corruption, bribery, financial misconduct, and other corporate irregularities, as well as due diligence and business intelligence assignments throughout Latin America. Drawing on extensive regional experience and deep knowledge of local markets, Mr. Letts helps clients identify and mitigate risks associated with investments, transactions, partnerships, market entry, and ongoing operations.
Prior to joining Guidepost, Mr. Letts held senior leadership positions with a leading global risk consultancy, where he led compliance, forensics, intelligence, and investigations practices across Latin America. He directed dozens of forensic and fraud investigations and hundreds of reputational due diligence assignments, while advising multinational clients on anti-corruption compliance, third-party risk, internal controls, and crisis-related matters. He also played a significant role in developing and expanding business across the region, building strategic relationships with law firms, private equity and investment funds, business associations, and major multinational organizations.
Mr. Letts has extensive experience in security and crisis management. Earlier in his career, he managed regional security capacity-building initiatives for the Organization of American States (OAS) and the United Nations Office for Disarmament Affairs (UNODA), overseeing multimillion-dollar programs focused on maritime security, crisis management, business continuity, anti-money laundering, counterterrorism, and the prevention of weapons proliferation. He delivered technical assistance, threat assessments, security reviews, training programs, and exercises for government agencies and private sector stakeholders throughout Latin America. His background also includes conflict and security analysis in Colombia and Venezuela, advising governments, international organizations, and private-sector clients on security, political, and operational risks. Over the course of his career, Mr. Letts has led multidisciplinary teams across the region and managed complex engagements involving investigators, forensic accountants, intelligence analysts, compliance professionals, and security specialists.
Mr. Letts is a Certified Fraud Examiner (CFE) and a qualified lawyer. He holds a Master of Laws (LLM) from the London School of Economics and Political Science, a Master’s degree in Tax Law from Universidad Javeriana, and undergraduate degrees in Law and Political Science from Universidad de los Andes. He is fluent in English and Spanish and has intermediate proficiency in French and Portuguese.
