
John E.
Executive Vice President and Chief Security Officer (CSO) @ Madison Square Garden Entertainment Corp.
About
Enterprise security executive with more than 25 years of experience leading global security, executive protection, investigations, intelligence, crisis management, and enterprise resilience programs across Fortune 500, financial services, technology, defense, and live entertainment organizations.Currently serving as Executive Vice President & Chief Security Officer for Madison Square Garden Entertainment, overseeing enterprise-wide security strategy supporting globally recognized entertainment venues, executive leadership, high-profile live events, and complex operational environments.Prior leadership experience includes senior security and investigative roles with Madison Square Garden Company, Oracle, Symantec, Macquarie Group, U.S. Army Criminal Investigation Division (CID), Naval Criminal Investigative Service (NCIS), and the Office of the Secretary of Defense.Recognized for building scalable security programs, leading high-performing teams, managing sensitive risk environments, and partnering across executive leadership, legal, HR, cyber security, operations, and facilities organizations to protect people, assets, reputation, and business continuity.Core Areas of Expertise:• Enterprise Security Strategy• Executive Protection• Crisis Management & Incident Response• Global Investigations• Threat & Intelligence Operations• Corporate Resilience• Insider Threat Programs• Event & Venue Security• Physical Security Operations• Cross-Functional Risk Leadership• Strategic Partnerships• High-Risk Environment Management
United States
New York
Entertainment
Strategising, Technical Surveillance Counter Measures (TSCM), Security Intelligence, Executive Leadership, Corporate Internal Investigations, Due Diligence, Regulatory Examinations, Coaching & Mentoring, Manage client expectations, Budgeting, Decision-Making, Time Management, Symantec Security, Oracle Security, Big-Picture Thinking, Investigative Services, Corporate Aircraft, Risk Management, Security Operations Management, Global Security
Experience

Executive Vice President and Chief Security Officer (CSO)
New York, United States
Executive Vice President & Chief Security Officer (CSO), Head of Enterprise Information Technology (IT) and Corporate Avaition. Lead enterprise-wide security strategy for Madison Square Garden Entertainment and affiliated organizations, supporting globally recognized sports, entertainment, media, and live event operations. Responsible for executive security strategy, enterprise risk management, intelligence operations, investigations, venue security, crisis management, business continuity, and protective operations across complex, high-profile operating environments. Partner closely with executive leadership, legal, HR, operations, facilities, cyber security, and external law enforcement/intelligence agencies to mitigate enterprise risk, protect critical assets, and support operational resilience. Oversee security operations supporting executive leadership, large-scale live events, entertainment properties, venue operations, and high-visibility public environments.

Senior Vice President and Chief Security Officer (CSO)
New York, New York
Senior Vice President and Chief of Security Officer (CSO) for Madison Square Garden Security Executive with oversight of various lines of security Physical Security Venue Security Investigations Executive Protection Cyber Security Compliance and Audit Intelligence Operation Insider Threat

Special Agent/Executive Protection Agent
US Army Reserves 701st MP Group CID (USAPSB IMA)
Fort Belvoir, VA
Special Agent with the US Army Protective Services Unit with worldwide protection responsibility to senior DoD officials. Reserve capacity only at this time

CW4 Special Agent - Retired
Greater New York City Area
Retired Chief Warrant Officer - 4. Special Agent with the US Army Criminal Investigation Division (Army CID). In my reserve capacity I provide criminal investigative and executive protection support wherein the Department of the Army or the Department of Defense may have interest.

Head of Security, Intelligence and Fraud - Americas
New York, New York
Head of Security, Intelligence & Fraud – Americas Led regional security, intelligence, investigations, fraud prevention, and enterprise risk initiatives across the Americas for a global financial services organization. Directed security strategy supporting investment operations, executive leadership, physical security, investigative functions, and emerging risk management across multiple business units and operating environments. Partnered with business leadership and operational stakeholders to assess security posture, identify vulnerabilities, and support secure expansion and investment activity throughout North and South America.

Senior Director - Global Security and Safety
Mountain View, California
Senior Director – Global Security & Safety Led global physical security, executive protection, investigations, insider threat, and corporate safety programs for a multinational technology organization. Oversaw enterprise security operations supporting executive leadership, global office locations, critical assets, and business operations across a complex international environment. Partnered cross-functionally with legal, HR, cyber security, and operational leadership to strengthen enterprise security posture, incident response capability, and organizational resilience.

Senior Director Investigations and Protective Services (Security)
Senior Director – Global Investigations & Protective Services Built and led Oracle’s executive protection and executive security services function, overseeing global protective operations, threat assessment, investigations, and executive risk management initiatives. Developed scalable security programs supporting senior executives across global business operations, integrating legal, HR, corporate security, and operational stakeholders to identify, mitigate, and resolve sensitive risk matters. Led strategic initiatives involving executive protection, insider threat mitigation, technical surveillance countermeasures (TSCM), crisis response, and sensitive internal investigations in support of enterprise leadership and business continuity.

Director - Global Investigations and Protective Services
san francisco bay area
Security Executive with oversight of all Investigations, Executive Protection, Event Security, and Special Security projects for the Oracle Corp. I built these programs from the group up when i assumed responsibility for the programs, building a unique program focused on collaboration with all business lines.

Executive Protection Detail Lead, Office of the Secretary of Defense Protection Detail
OSD Executive Protection Unit
The Pentagon Washington DC
Executive Protection Detail Lead | Office of the Secretary of Defense Led worldwide executive protection and protective operations supporting senior Department of Defense leadership, including the Secretary and Deputy Secretary of Defense. Managed operational planning, interagency coordination, high-risk travel security, and protective intelligence initiatives in partnership with the U.S. Secret Service, Department of State, federal agencies, and international counterparts. Directed complex protective operations in high-risk environments while overseeing personnel leadership, operational readiness, and mission execution supporting globally sensitive government operations.

Special Agent/Personal Security Advisor
Special Agent / Personal Security Advisor | NCIS Provided executive protection, protective intelligence, investigative, and security advisory support for senior United States Marine Corps leadership and high-ranking government officials. Planned and executed domestic and international protective operations, coordinated with federal agencies and foreign counterparts, and conducted security vulnerability assessments supporting high-risk personnel and mission environments. Led investigative and operational initiatives involving criminal investigations, protective operations, interagency coordination, and personnel supervision in both domestic and overseas environments.

Investigator
USMC Criminal Investigation Division
I was assigned to the general crimes section of the Camp LeJeune, NC office. I condcuted Executive Protection missions in the support roles during my tenure at this assignment.
John E.'s Contact Information
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