Phoenix Optimum
provides international mission‑critical security and continuity consulting to public‑ and private‑sector critical infrastructure stakeholders, blending practical operational experience with standards‑based risk-management practices.

Zach Clark is the Director of Security US Operations for Phoenix Optimum, an international firm that helps critical infrastructure stakeholders and other thought leaders to understand and better manage risk.

Zach has extensive experience conducting Threat and Vulnerability Assessments for Federal, State, and Local government complexes, healthcare systems, faith‑based organizations, water treatment facilities, and other critical infrastructure partners. He has reviewed and drafted Emergency Operations Plans, Continuity of Operations plans, and Business Continuity Plans for public and private organizations.

Zach currently serves as a detective with a major metropolitan police department, assigned to one of the United States’ most complex municipal risk‑management units and embedded with the State Intelligence Fusion Center. With over 17 years of service, he is directly involved in critical infrastructure protection, incident management, and project delivery.

A United States Marine Corps veteran who completed a combat tour in Iraq, Zach later worked in physical security operations for military installations. He holds certifications in Technical Surveillance Counter Measures (TSCM), CPTED Professional Designation, and Dignitary Protection, and conducts TVA certification training for local public‑safety assessors. He earned a Bachelor’s degree in Homeland Security Emergency Management from Grand Canyon University and serves as a Threat Liaison Officer with hands‑on experience in dignitary protection.