--- title: "Marcello R. Kettrles, CPP, PSP, CPD, CCE" description: "Marcello R. Kettrles, CPP, PSP, CPD, CCE is a New York security consultant and expert witness on jails, corrections and negligent physical security." canonical: "https://findasecurityconsultant.com/consultants/marcello-r-kettrles/" last_updated: "2026-11-10T21:08:22+00:00" --- # Marcello R. Kettrles, CPP, PSP, CPD, CCE > Marcello R. Kettrles, CPP, PSP, CPD, CCE is a New York security consultant and expert witness on jails, corrections and negligent physical security. ![Jackson Chambers, MA](https://findasecurityconsultant.com/wp-content/uploads/2026/11/jackson-chambers-headshot-300x300.webp) ### [Jackson Chambers, MA](https://findasecurityconsultant.com/consultants/jackson-chambers-ma/) Jackson Chambers Security Consulting PremiumVerified PA20 years - CPTED - Emergency Preparedness - Executive Risk Advisory - +3 CEDP · Certified Anti Terrorism Specialist (CAS) · Certified Counter Terrorism Practitioner (CCTP) · Certified Instructional Designer · CHPP [View profile](https://findasecurityconsultant.com/consultants/jackson-chambers-ma/) --- Source: