top of page

What our clients say

“GSC's knowledge of school security is second to none. The Dalton School is proud to have worked with you for so many years and will continue to do so.”

- Luis A. Despaigne, (ret.) NYPD Deputy Inspector; Dir. of Security, The Dalton School

“Expert analysis and unique backgrounds combine for a team that provides outstanding services and quality for clients.”


- Brigadier General (ret.) Russell Howard, U.S. Army Special Forces

"Josh, in addition to knowing your stuff and showing sensitivity to the unique considerations of our historic landmarked building, we could not have successfully navigated a complex government proposal process or landed a major grant without your guidance and expertise. Thank you for upgrading our facility and training our staff.”


- Barbara R., Executive Director, Congregation Shearith Israel ( Spanish Portuguese Synagogue), the oldest Jewish Congregation in the U.S. 

“Working with Gleis Security Consulting was a Godsend. They were able to help guide the Church of the Savior through the homeland security grant process from beginning to end... Our church and school are safer because of Josh and his team.”

- Pastor Paul, Church of the Savior Lutheran, Paramus, NJ 

“Excellent trainers and consultants who helped us improve our security without sacrificing the culture and nature of our facility.”

- Marshall E., Executive Director, Brown University-RISD Hillel  

“Knowledgeable and an excellent speaker, Josh is my go-to consultant for all of my security needs.”


- Adam A., Partner, KABR Real Estate Investment & Property Management 

“On behalf of the Sephardic Community in South Brooklyn, I looked at a lot of security firms to help us properly secure more than 40 institutional properties. Choosing GSC was the right move. Thank you for helping us launch our security initiatives and working with us to improve security for our friends and families.”


- Morris D., Founder, Community Security Alliance; Chairman, The Edmond J. Safra Synagogue; Board Member, Yeshivat Darche Eres​

“GSC is the go-to security resource from risk assessments to facility hardening and everything in between. I have personally worked with Josh on designing security procedures for our synagogue, in implementing our DHS security grant and in advanced drill trainings. His experience and expertise has been invaluable in this process and in taking our CSS-trained volunteer security team to the next level.”

- Deena S., NJ Regional Manager, Community Security Service 

“Whether improving our operations, training our staff, installing bollards, upgrading our hardware or liaising with law enforcement, Josh Gleis and his team at GSC are always there to help keep us safe, bringing with them thorough attention to detail and excellent customer service.”

- Deann F., Executive Director, Riverdale YM-YWHA (JCC) ​

“Wow. What else can I say? Josh, you’ve helped us attain and implement over seven Homeland Security grants. Thank you and your incredible team for your trainings, project management and all of your other services.”


- Seth L., Former Security Chair and Vice President, Riverdale Jewish Center 

“Dr. Gleis has a unique intelligence background, with extensive knowledge of risk assessments, security design, and technologies, as well as operational security, training and manpower.”

- Lt. Col. (ret.) Haim P., Israel Defense Forces 

"Gleis Security Consulting does a tremendous job in their trainings conveying information, and giving participants the specific details they need to make sound and informed security decisions.  Josh and his team provide realistic assessments with clear actionable items."


- Rebecca K., Director of Field Expansion, Foundation for Jewish Camps 

“Josh and his team are knowledgeable and experienced security trainers that apply practical techniques to address the risks of our particular threat environment. I always appreciate his accessibility and prompt response to our inquiries related to our security needs.”


- Chief (ret.) Robert Wilson, Teaneck Police Department; Chief Security Officer, Jewish Federation of Greater MetroWest NJ

“GSC are masters of security design and project management.”


- Mel Neulander, President, Coggeshall Construction 

“The security services and trainings GSC provided were top-notch. Thank you for helping us improve our security using realistic methods and critical analysis.”


- Lauren A., Strategic Intelligence Analyst, Emulate Biotechnology

"I'm a good judge of character and knew right away you guys were winners.”


- David S., Director of Operations, Magen David Yeshivah

"Josh Gleis is a dear friend whose brilliance in security and true concern for the safety of our communities is a powerful combination. We are blessed to have his guidance."

- Rabbi Tzvi B., Tufts University Chabad ​​

“I wanted to thank you and your team for incredible trainings and follow up. It is rare to find someone so knowledgeable and attentive. You really know summer camps and you really know security. Looking forward to working with GSC for years to come.”


- Helene D., Executive Director, Camp Sprout Lake 

"We have used the services of Dr. Joshua Gleis and Gleis Security Consulting on many occasions over a period of many years. He is a true professional, a pleasure to work with and is very knowledgeable about all areas of security. GSC has been of extraordinary assistance with risk assessments, grants and security design, and has made numerous recommendations which have been of great assistance in making our synagogue a much more secure facility.”


- Daniel F., Executive Director, Young Israel of Woodmere

“Dr. Gleis and his incredible team are true professionals who have helped us build a robust security program that is more than meets the eye. GSC focuses on smart, effective security training and measures without using fear or panic. They allow us to remain a warm environment for our students and community, while providing top-notch supervisors, training, and consulting services.”

- Ruth G., Head of School, Solomon Schechter Day School 

“Securing any campground is always a challenge. Trying to secure three large campgrounds with over a dozen individual camps operating on them is even more difficult. Thank you GSC for your excellent trainings and for improving our emergency procedures.”

- Lenny S., CEO Henry Kauffmann Campgrounds 

"The fine people at Gleis Security Consulting were a tremendous help in project managing our homeland security grant, developing emergency procedures and providing trainings for our staff and security team.”


- Leo G., Security Chair, Young Israel of White Plains

"I've experienced two of Josh's security presentations, one as an employee of the JCC, the second as a camp director of the same JCC. He came the second time to meet with my staff, most of whom are teenagers. Josh has a wonderful way of connecting with the group as he presents, and even made it interesting for a bunch of teenagers! His interactive way of relaying this very serious information sets the stage for the group to really grasp the material.”


- Debbie C-B, MS, Camp Director, JCCMW 

bottom of page