David Reilly

About David Reilly

As Director of Security at SL Green Realty, I manage security operations, risk management activities, and emergency preparedness efforts across assigned properties within New York City’s largest commercial office portfolio. I support enterprise-wide initiatives by helping implement strategies that strengthen resilience, protect critical assets, and maintain a safe and secure environment for tenants and stakeholders.With more than two decades of NYPD experience as a Retired Emergency Service Unit Commander, I bring a disciplined and intelligence-informed approach to threat assessment, incident response, and operational planning. My leadership emphasizes clear situational awareness, structured decision-making, and continuous improvement.I collaborate closely with senior security leadership, property management teams, and law enforcement partners to maintain a consistent and adaptive security posture across the portfolio. I also contribute to the integration of advanced technologies, including AI-driven analytics and security operations center capabilities, to enhance situational awareness and streamline response protocols.As an ASIS Certified Protection Professional, FDNY Fire Safety Director, and EMT, I am committed to advancing best practices in commercial real estate life safety. I focus on developing strong teams, supporting professional growth, and contributing to SL Green’s mission of preparedness, innovation, and operational excellence.

Experience

1. Director of Security and Life Safety

   Sl Green Realty Corp

   Aug 2025 — Present · New York, NY, US

   Lead security and life safety operations for 919 Third Avenue, a high-profile Manhattan property, ensuring robust protection through real-time threat monitoring, access control systems, and crisis response protocols-Contribute to corporate security initiatives, collaborating with senior leadership to align strategies with SL Green’s portfolio-wide goals-Implement advanced technologies, including AI-driven analytics and security operations center integration, to enhance safety and operational efficiency-Leverage Retired NYPD Emergency Service Unit Commander experience to design training programs and foster inter-agency partnerships, ensuring compliance with FDNY and industry standards.

Education

• Combating Terrorism Center at West Point

  FDNY/USMA Counterterrorism Leadership Program

• John Jay College (CUNY)

  Graduate Certificate, Police Leadership

• FBI National Academy Session #249

  Graduate Certificate

• Buffalo State University

  Bachelor of Science - BS, Criminal Justice

• FEMA Emergency Management Institute

  Independent Study Program, Crisis/Emergency/Disaster Management