
Built on a Strong Technical Foundation
GHT was built on deep expertise in physical security consulting, security master planning, technology planning, and systems engineering. Over the years, our team has completed hundreds of engagements helping organizations assess vulnerabilities, establish long-term security strategies, develop enterprise standards, design integrated security systems, and support implementation from planning through commissioning.
As security challenges have evolved, so has GHT. Building on our core technical foundation, we have expanded our multidisciplinary capabilities to include architecture, behavioral threat assessment and management, emergency preparedness, public safety, organizational resilience, and strategic advisory services. This broader expertise allows us to address security not only through facilities and technology, but also through the people, operations, policies, and organizational dynamics that influence risk.
Today, GHT brings these disciplines together to provide independent, security guidance while maintaining the physical security and engineering expertise that has been central to our work from the beginning.
The GHT Approach

Every organization faces unique security challenges. Our approach integrates risk assessment, operational analysis, stakeholder engagement, technical expertise, and industry best practices to develop solutions tailored to each client's environment, objectives, and budget. GHT develops practical, defensible, and sustainable security strategies that strengthen preparedness and support long-term organizational success.
How We Work
Independent Guidance - Objective recommendations without product sales or installation incentives, focused solely on your organization's best interests.
Risk-Driven Decision Making - Security strategies and investments prioritized based on real-world threats, operational needs, and organizational objectives.
Human-Centered Security - Integrating behavioral threat assessment and organizational dynamics alongside physical security to address the full spectrum of risk.
Collaborative Engagement - Working closely with leadership, stakeholders, and project teams to develop practical solutions that fit your organization's culture and operations.
Practical Implementation - Delivering scalable, realistic recommendations that align with your mission, budget, and long-term goals.
The Team
Experience You Can Trust
Our multidisciplinary team combines deep technical expertise with decades of experience addressing complex security challenges across public and private sector environments.
Founder, Principal, Security Design and Engineering
Frank Gallagher, PSP

Mr. Gallagher is an ASIS Certified Physical Security Professional (PSP) with more than 30 years of experience in physical security systems analysis and design, security risk and safety assessments, security and emergency preparedness, and critical infrastructure protection. He is also a member of the ASIS International Risk Assessment Technical Committee.
Mr. Gallagher specializes in systems engineering for large-scale, complex projects and has been directly responsible for numerous security-related initiatives incorporating a wide range of technologies and engineering disciplines for government agencies, global organizations, and multi-campus public and private institutions.
He holds both a Bachelor of Science (with highest honors) and a Master of Science in Mechanical Engineering from the Rochester Institute of Technology.
President & COO
Behavioral Risk & Organizational Resilience Advisor
Susan Gallagher, MPH, LICSW

Ms. Gallagher brings a unique human-centered perspective to security consulting. Drawing on more than 25 years of experience in behavioral health, executive leadership, organizational consulting, crisis response, and public health, she helps organizations understand how people, leadership, organizational dynamics, and operational risk influence security outcomes.
As President and Chief Operating Officer of Good Harbor Techmark (GHT), Susan advises clients on behavioral threat assessment and management, workplace violence prevention, emergency preparedness, crisis communications, organizational resilience, and leadership decision-making during complex and evolving situations. Her approach integrates behavioral science with security strategy to help organizations strengthen prevention, preparedness, and long-term resilience while supporting both operational objectives and the people they serve.
Director, Security Design and Engineering
