Andrew Nadeau

Supervisory Special Agent - Joint Terrorism Task Force, Orlando, FL, (3 years)

Supervisory Special Agent - Weapons of Mass Destruction Directorate (WMDD), Washington, DC,

(2 years)

• Led highly sensitive background, personnel, and suitability investigations supporting national-level decision-making for the White House, U.S. Congress, Federal Judiciary, Department of Justice, and the FBI.
• Directed end-to-end investigative operations, including employment screening, internal misconduct inquiries, adjudications, and enterprise risk assessments.
• Provided enterprise governance and oversight of investigative programs, ensuring consistency in scope, documentation standards, adjudication criteria, and defensible outcomes.
• Supervised and developed multidisciplinary teams of 25+ investigators, analysts, professional staff, and contractors, driving performance management, quality assurance, and professional development.
• Served as senior subject matter expert for background investigations and personnel risk, advising executive leadership and legal counsel on investigative findings, risk-based outcomes, and compliance considerations.
• Ensured investigations were appropriately documented, reviewed, adjudicated, and resolved in accordance with internal policy, FCRA, federal employment law, and leading practices.
• Partnered closely with the Office of General Counsel to interpret legal and regulatory requirements, resolve complex investigative matters, and mitigate legal, regulatory, and reputational risk.
• Managed contracts and service delivery for external investigative and professional service vendors, overseeing quality, timeliness, fiscal controls, documentation standards, and performance metrics.
• Reviewed vendor work product for adherence to investigative standards and regulatory requirements; implemented corrective actions and continuous improvement measures as needed.
• Led the FBI's WMD Strategic Group, governing a 22-agency, 130-member intergovernmental network; ensured access controls, training compliance, and sensitive information governance while directing global response coordination and large-scale exercises in execution of Presidential mandates.
• Reestablished and strengthened internal and external liaison relationships, enabling effective interagency collaboration and delivery of global investigative training and readiness initiatives.
• Designed, executed, and assessed large-scale, interagency training programs to enhance investigative readiness, interoperability, and risk response capabilities.
• Authored enterprise-wide WMD Readiness and Response Policy, establishing standardized governance, coordination, and operational response requirements.
• Selected by the Department of Defense–U.S. Special Operations Command (SOCOM) to define and draft the FBI's role within a Department of Defense WMD response framework, reflecting trusted interagency credibility and expertise.
• Modernized investigative technology, workflows, and stakeholder engagement models to improve efficiency, compliance, documentation quality, and scalability.
• Regularly briefed senior executives on investigative trends, operational risk, compliance posture, and mitigation strategies impacting organizational objectives.
• Served as a trusted advisor to executive leadership on investigative governance, vendor-supported capabilities, compliance risks, and strategic risk mitigation.

• Conducted criminal, administrative, and background investigations requiring detailed analysis, confidentiality, and sound judgment.
• Developed strong investigative interviewing, evidence evaluation, and reporting skills foundational to later enterprise risk and compliance roles.
• Supervised daily operations, ensuring adherence to departmental policies and procedures.
• Coordinated community outreach programs to enhance public engagement and trust.
• Developed training materials for recruits, improving onboarding efficiency and effectiveness.
• Managed incident response efforts, leading teams in critical situations to ensure public safety.