Security Consultant | Litigation Support | Expert Testimony

Jack Leo Curriculum Vitae

Expert Profile

Forensic security consultant with over 30 years of experience in federal law enforcement, executive-level security leadership, and complex investigative operations. Provide
objective, standards-based analysis in matters involving:

  • Law enforcement practices (investigations, tactics, use of force)
  • Custody, restraint, transport, and detention operations
  • Security program design, implementation, and failure (premises, executive protection, events, regulated environments)
  • Critical incident preparedness, response, and causation
  • Small-vessel operations, including navigation, passenger supervision, risk management, and safety practices

All opinions are developed independently and grounded in recognized methodologies, constitutional principles, and industry standards consistent with CPP-level professional practice.

Select Distinctions

  • ASIS International Certified Protection Professional (CPP) – Global benchmark certification in security management, risk assessment, and program design
  • Retired Chief Deputy U.S. Marshal – Executive responsibility for judicial security, detention systems, investigations, and high-risk operations
  • Director of Security, New Jersey Lottery ($3.7B enterprise; ~7,000 locations)
  • Former Acting Deputy Assistant Director, Office of Professional Responsibility, United States Marshals Service
  • Senior Inspector, Witness Security Division (WITSEC) – Managed high-risk protective security operations
  • International Security Advisor under the Mérida Initiative (Mexico)
  • International Security Trainer under Plan Colombia (Colombia)
  • U.S. Coast Guard Licensed Master (≤25 Gross Tons) – Commercial maritime command authority

Certifications

Licensed Private Investigator

State of New Jersey

Certified Protection Professional (CPP)

ASIS International — the globally recognized standard for security management professionals

Master of Self-Propelled Vessels of Less Than 25 GRT

United States Coast Guard

Adjunct Instructor

Federal Law Enforcement Training Center + United States Marshals Service

Tactical Training Officer

United States Marshals Service

Firearms Instructor

Federal Law Enforcement Training Center + United States Marshals Service

Less-than-Lethal Devices Instructor

United States Marshals Service

Experience

2021 - Present

The Probity Group

Founder/Principal Consultant

National forensic security consulting practice providing litigation support, expert analysis, and advisory services to attorneys, insurers, corporations, and public agencies.

  • Conduct independent evaluations, case reviews, and opinion development using recognized forensic methodologies
  • Assess design, implementation, and failure of security programs across premises, executive protection, events, and regulated environment
  • Evaluate investigations, tactics, use of force, and operational decision-making
  • Analyze detention practices, prisoner handling, supervision, and control systems
  • Evaluate preparedness, response, and causation in violent incidents and system failures
  • Objective, defensible opinions grounded in constitutional principles, industry standards, and real-world operational experience.

2020 - 2026

New Jersey Lottery

Director Of Security

  • Directed enterprise-wide security, investigations, audit oversight, and licensing compliance for a $3.7B operation with ~7,000 locations
  • Designed and governed physical, operational, and regulatory security programs consistent with CPP-level security management principles
  • Conducted enterprise risk and vulnerability assessments addressing insider threats, fraud, and systemic risks
  • Directed investigations involving fraud, theft, misconduct, and security failures
  • Implemented surveillance systems, audit controls, and regulatory compliance frameworks
  • Managed critical incidents impacting operational integrity, security, and public confidence
  • Advised executive leadership on governance, risk management, and security effectiveness

2022 - 2026

Seven Seekers Charters

Owner/Captain

  • U.S. Coast Guard Licensed Master (≤25 Gross Tons) – Operate a commercial charter vessel with full command authority for navigation, safety, and passenger welfare
  • Responsible for passenger supervision, onboard safety, and operational control in a confined commercial environment
  • Conduct real-time risk assessment and exercise go/no-go authority based on safety conditions
  • Manage passenger behavior and safety in a BYOB environment
  • Respond to emergent conditions requiring immediate command decisions
  • Apply duty-of-care principles, foreseeability, and causation analysis in operational decision-making
    for vessel safety and passenger protection
  • Applied maritime safety and navigation standards

2015 - 2020

United States Marshals Service, Federal Judicial District of Maryland

Chief Deputy United States Marshal

  • Directed law enforcement and judicial security operations within a high-volume federal judicial district in the National Capital Region
  • Oversaw court security, protective operations, and threat mitigation for high-risk proceedings
  • Managed custody, restraint, transport, and detention systems for federal detainees
  • Operated in high-liability environments involving constitutional, civil, and life-safety considerations
  • Supervised use-of-force decisions, tactical operations, and compliance reviews
  • Led specialized units responsible for protection, detention, and enforcement
  • Directed critical incident response and emergency operations

2018

United States Marshals Service, Office of Professional Responsibility

Deputy Assistant Director (Acting)

  • Directed internal investigations and compliance reviews within the United States Marshals Service
  • Evaluated misconduct, excessive force, and operational failures
  • Reviewed adherence to law enforcement, custody, and use-of-force standards
  • Identified systemic risks, training deficiencies, and organizational vulnerabilities
  • Ensured investigations met legal, procedural, and evidentiary standards
  • Advised national leadership on corrective action, accountability, and risk mitigation

2014 - 2015

United States Marshals Service, Federal Judicial District of Delaware

Chief Deputy United States Marshal

  • Directed district-wide enforcement, detention, and judicial security operations
  • Managed courthouse security, threat assessment, and protective measures
  • Oversaw custody, transport, and control of federal detainees
  • Conducted operational risk assessment and mitigation planning
  • Ensured compliance with constitutional standards and federal policy
  • Coordinated operations with federal courts and partner agencies
  • Integrated security operations across agencies

2010 - 2014

U.S. Marshals Service, Witness Security Division

Senior Inspector

  • Senior Inspector, Witness Security Division (WITSEC) – Responsible for the protection, relocation, identity safeguarding, and long-term management of high-risk witnesses, cooperating defendants, and their families within the United States Marshals Service.
  • High-Risk Protective Operations – Directed sensitive operations involving threat assessments, protective strategies, cover documentation, operational planning, and secure logistics in support of the federal Witness Protection Program.
  • Managed protection, relocation, and identity safeguarding of high-risk witnesses and cooperating individuals
  • Developed and implemented protective security strategies and risk mitigation plans
  • Conducted threat assessments and intelligence-driven security evaluations
  • Directed secure transport, housing, and supervision of protected individuals
  • Operated in high-liability environments tied to federal prosecutions
  • International Advisory – Mexico – Embedded advisor under the Mérida Initiative providing guidance on dignitary protection, investigations, and security operations
  • International Training – Colombia – Delivered training in protective security, investigations, and threat mitigation to government personnel

2005 - 2010

United States Marshals Service, Investigative Operations Division

Inspector in Charge

  • Led investigative and enforcement operations in a high-crime, high-risk environment
  • Directed warrants, surveillance, and multi-agency tactical operations
  • Managed operational risk and enforcement activities
  • Ensured compliance with constitutional and policy standards
  • Conducted after-action reviews and accountability assessments

2001 - 2004

United States Air Force Reserve

Special Agent, U.S. Air Force Office of Special Investigations

  • Conducted criminal, counterintelligence, and insider-threat investigations
  • Performed threat assessments and vulnerability analysis
  • Supported protective security operations
  • Applied Department of Defense investigative and
    security standards

2000 - 2005

United States Marshals Service, Federal Judicial District of Delaware

Deputy United States Marshal

  • Conducted investigations, fugitive operations, and court security missions
  • Managed detainee handling, restraint, and transport
  • Supported high-risk enforcement operations and proceedings
  • Applied recognized law enforcement and constitutional standards

1998 - 2000

United States Marshals Service, Federal Judicial District of Southern New York

Deputy United States Marshal

United States Marshals Service – Federal Judicial District of Southern New York

  • Conducted enforcement and judicial security in one of the nation’s most demanding federal districts
  • Managed custody, transport, and courtroom control of detainees
  • Supported complex cases including organized crime, terrorism, and high-profile prosecutions
  • Operated under strict constitutional and operational standards
  • Coordinated with federal and local agencies

1997 - 1998

United States Border Patrol, El Paso Sector

Border Patrol Agent

  • Conducted interdictions, arrests, and enforcement operations in a high-risk border environment
  • Identified and mitigated cross-border criminal threats
  • Managed detainee custody, processing, and control
  • Applied federal enforcement standards and use-of-force policies

Current Affiliations

Member - IAPSC

Int. Assoc. of Professional Security Consultants

Member - ASIS

ASIS International

Member - IACP

International Association of Chiefs of Police

Member - IAFCI

Int'l Assn. of Financial Crime Investigators

Member - ITOA

International Tactical Officers Association

Member - CPTED

Int'l Assn. Crime Prevention Through Environmental Design

Security Clearance

2025

Top Secret

Most Recent Background Investigation - 2025

Education

2013

Thomas Edison University

Bachelor of Arts - Military Degree Completion Program

2015

Seton Hall University

Master of Arts - Police Graduate Studies Program

2018

Cornell University

Professional Certificate Executive Leadership

2019

Harvard University

Professional Certificate Cybersecurity Management