Company Bios

Duncan G. Boyer


Duncan has a 35 year plus proven track record of success in the Security Industry and Law Enforcement.

For twenty plus years, he managed and grew one of the largest privately-owned security companies in the United States until its sale in 2014. Duncan remained with the new company for one year as the Vice President of Operations for the Southeast to include Puerto Rico and the U.S. Virgin Islands. Duncan is also a Certified Trainer with the Georgia Board of Private Detectives and Security Agencies.

His Law Enforcement career began with the New Orleans, LA Sheriff’s Office where he rose to the rank of Lieutenant. He then served as Chief of Police for a municipal law enforcement agency in one of the fastest growing suburbs outside of New Orleans.

Duncan is a Police Academy graduate, Post Certified as a law enforcement officer and instructor. He was also trained and commissioned by the United States Customs Service as a member of the multi-state Blue Lightning Strike Force. He was a Criminal Justice Major at Nicholls State University and graduated from the Uptown Professional School of Real Estate in New Orleans, LA as a licensed real estate agent.

Drew Blumberg

Chairman of the Board/CIO

Drew has an accomplished 20-plus year track record as the founder and owner of A.D.B. Services, Inc., a leading privately owned IT Company that is based in Atlanta. They service clients throughout the country providing cutting edge security technology to contract security companies and Fortune 500 companies. This includes access control systems, CCTV and cloud based solutions. His company is known for providing cost effective, state of the art technology that creates the best solution to current and unforeseen needs.

Drew has been instrumental in the development and implementation of Visitor Management Systems and electronic reporting applications with mobile devices on both the Apple and Android platforms. This technology has been on display at trade shows to include BOMA and ASIS International.

Drew is a graduate from the University of Colorado where he studied Chemical Engineering and Computer Technology.

Natalie Menadue

Controller & Director of Administrative Services

Natalie was a Senior Manager for 25 years at one of the largest privately owned contract security companies in the United States until their sale in 2014. She was responsible for overseeing all accounting, corporate compliance and administrative requirements associated with that corporation.

Natalie interfaces with the clients and is available to discuss any invoicing or accounting matters. She graduated from the University of Texas with honors.

Steve Martin

Director of Client Services

Steve has over 20 years in law enforcement and the contract security industry. He has served in a variety of senior leadership roles in the industry for both regional and national contract security providers. Steve’s previous positions include Director of Training, Corporate Director of People Development for Barton Protective Services and General Manager for the Georgia region of International Security Management Group (ISMG). Steve is a recognized instructor in the industry and has personally developed and co-authored training that has been and continues to be used in the security industry across the country.

Steve served as Chief of Police for a municipal law enforcement agency in north Georgia and he is certified by the Georgia Association of Chief’s of Police as a law enforcement Chief Executive Officer. He has been a certified law enforcement officer in Georgia since 1990 and has remained a law enforcement instructor since 1995 with specialty instructor certifications from the Georgia Peace Officer Standards and Training Council (P.O.S.T.) as a general classroom instructor, emergency medical instructor, and firearms instructor. He is a graduate of the Smith & Wesson National Firearms Academy as an instructor as well.

Steve is a graduate of Utica College of Syracuse University where he earned a Bachelor of Science in Cybercrime Investigations with a specialty in computer forensics. He is currently pursuing a dual Master of Science in Cybersecurity degrees with specialties in computer forensics and cyber-operations.

Steve holds an active Associate Broker real estate license in Georgia and has worked in sales team and brokerage management.

Paul Montgomery

Vice President of Marketing

A welcome addition to an already proven Security Management Team, Paul joined AT Security Inc. in early 2018. Prior to joining AT Security, Paul served as the National Accounts Manager for the nations’ largest security service provider (2014 to 2018) following the acquisition of the Atlanta based International Security Management Group (ISMG). Prior to the acquisition, Paul served as the Senior Vice President for ISMG from 1999 to 2014. While there, Paul was most instrumental in the company’s phenomenal growth from two offices to services across 35 states and Puerto Rico.

A 50-year veteran of the security industry and law enforcement, Paul brings an impressive management experience garnered from both a national and regional perspective. Previously, Paul served as District Manager (Indianapolis), Regional Manager, Regional Vice President (Atlanta) and as Senior Vice President and Executive Vice President (Los Angeles) for the world’s then oldest and largest security service provider.

A retired Indiana State Policeman, Paul holds that departments Bronze Star, numerous Policeman of the Year Awards and is a veteran of the United States Air Force. He holds an Associate Degree in Police Administration from the University of Maryland and is a 25-year active member of ASIS International (ASIS), the Building Owners Management Association (BOMA), the Institute for Real Estate Management (IREM) and the International Association Healthcare Security and Safety (IAHSS).

John B. Enlow

Security Consultant

John has 40 plus years of combined military and security experience. A decorated veteran (retired) of the United States Army; John served twenty-one years with the United States Army Medical Command (MEDCOM). MEDCOM assignments included positions involving direct emergency medical treatment and support operations in military hospitals, air/ground evacuation units, refugee relocation centers, and NATO’s Allied Command Operations Medical Center in Europe. John is a graduate of the Senior NCO Command & Staff Course and recipient of the U.S. Army’s Legion of Merit Award, Meritorious Service Medal and Bronze Star Medal for career achievements and exemplary service while assigned to the 1st Armored Division during combat operations in the Southwest Asia.

His security career included senior positions with National and Regional security companies as a Regional Vice-President, Director of Hospital Services, Business Development, General Manager and Branch Operations.

John is a graduate of Park University and The University of Maryland earning degrees in Business Management and Management Studies respectively. He is a member of IAHSS, ASIS, and ASHE and is a certified CPI/Nonviolent Crisis Intervention Trainer.

Torrance C. Williams

Operations Manager

Torrance brings a wealth of knowledge and experience to AT Security with over 30 years of experience in the Military, Law Enforcement and Security. He proudly retired from the U.S. Air Force Reserves in 2011. During his time in the reserves he was called to active duty and stationed in the middle east following the 9/11 attack. He also has a Bachelor of Science in Criminal Justice and a Masters of Arts in Management and Leadership from Liberty University.

His Law Enforcement career began with the Alabama Department of Youth Services and continued with the Georgia Department of Juvenile Justice. Torrance graduated from the Georgia Department of Juvenile Justice Training Academy.

After completing his active duty requirements with the Air Force Reserves, Torrance entered the security industry working for Georgia Tech. He continued to advance his career in the security industry working as an Operations Manager with a Regional and National Security company.

Kevin Deberry

Operations Manager

Kevin has over 20 years of experience in business management, training and security. He’s held positions at the local, regional and corporate level for a regional and national security company.

He has a proven track record in providing excellent customer service to many of the Fortune 500 companies utilizing contract security services. His strong training background as a certified trainer has allowed him to provide guidance and leadership to employees from entry level positions to senior management.

He earned an Associate Degree in Business Management and Supervisory Development Skills from Gordon Jr. College.

Kevin has a strong drive and commitment to animal rescue programs. He is a volunteer to many of these programs and events in the Atlanta Metropolitan Area.

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