Our Team

Nathan Carmack, M.Ed., CIPM, started his career as a local deputy sheriff and later served as a State of Georgia Probation Officer. During that time, he had the privilege to serve on personal protection details for both the President and Vice President of the United States. Nathan has been a trainer for cultural property personnel and presented seminars for the Georgia Parole Association and citizen groups. He is a Certified Institution Protection Manager for cultural properties and has completed FEMA training in a variety of subjects including community preparedness, terrorism, and special events security planning. Additionally, Nathan is a consultant on hospitality industry-related security topics.

Mr. Carmack holds a B.B.A. in Finance from The University of Georgia and an M.B.A. in Finance from Georgia State University. As Vice President, Nat oversees all aspects of the business on a daily basis including procurement, accounting, sales, staff development, administration of federal contracts, and staffing.

Carmack is a Certified Protection Professional, Board Certified by the American Society for Industrial Security. Established in 1977, the Certified Protection Professional® is the preeminent designation awarded to individuals whose primary responsibilities are in security management and who have demonstrated advanced knowledge in security solutions and best business practices. This group of professionals has demonstrated its competency in the areas of security solutions and best-business practices through an intensive qualification and testing program. As a result, these men and women have been awarded the coveted designation of CPP®, and are recognized as proven leaders in their profession. CPP Certification is active through 2016.

Mr. Greene is recently retired after 32 years in local law enforcement. He served in all aspects of the Athens-Clarke County Police Department, rising to chief of police. He has extensive knowledge in crime prevention and criminal investigations. Mr. Greene has completed all levels of training in I.C.S. through FEMA, Leadership in Police Organizations through the IACP, and is a graduate of the 248th session of the Federal Bureau of Investigation’s National Academy for Law Enforcement Executives. He has a Bachelor of Science degree in criminal justice from George Mason University, and a M.P.A. from Columbus State University.

Bill Hildebrand

William Hildebrand is a law enforcement professional that served twenty-one years with the Atlanta Police Department as a uniformed patrol officer in the Field Operations Division, as well as an Investigator with the Narcotics Unit, Guns/Violent Crime Unit, and the Homeland Security/Intelligence Unit within the Criminal Investigations Division. He is currently and Adjunct Instructor at a regional police academy in Georgia.

Mr. Hildebrand’s last seven years of service with the Atlanta Police Department were as an Investigator with the Homeland Security Unit where he was tasked with conducting counter-terrorism investigations and performing counter-terrorism duties through critical infrastructure protection practices in coordination with the U. S. Department of Homeland Security and the Georgia Office Of Homeland Security. Mr. Hildebrand served as the Atlanta Police Subject Matter Expert to the Atlanta Urban Area Security Initiative’s Critical Infrastructure Protection Group. He was a member of the Georgia Office of Homeland Security’s Georgia Vulnerability Working Group and is a current member of the National Domestic Preparedness Coalition’s Homeland Security Task Force. Mr. Hildebrand has provided threat and vulnerability assessments for many of the major critical infrastructure and key resource sites in Atlanta as well as for most of the major special events in Atlanta such as the Peachtree Road Race, Americas Competitiveness Forum, the Chick-fil-A Bowl, and Martin Luther King Jr. National Holiday at the King Center. As the Homeland Security Training Coordinator for the Homeland Security Unit Mr. Hildebrand provided specialized and in-service training on homeland security and counter-terrorism issues to sworn personnel from the Atlanta Police Department and other law enforcement agencies in the Atlanta area. As a Georgia POST certified Senior Training Instructor and Firearms Instructor he specialized in training sworn personnel in concealed firearms carry techniques. Duties within the Homeland Security Unit included executive protection liaison with the U. S. Secret Service, U. S. Department of State Diplomatic Security Service, and Israel Consulate Security in Atlanta.

Mr. Hildebrand earned a Bachelor of Science degree in Homeland Security and Public Safety from Herzing University in Atlanta, graduating Summa cum Laude in 2007, and earned a Master of Arts degree in Homeland Security from American Military University, graduating with Honors in 2010. He is a member of the Golden Key International Honour Society.

Stephen Sparks

Stephen Sparks joined BOS Security in 2019 as the Director of Sales and offers a total of ten-years of experience in physical security management, environmental compliance, and safety administration. Sparks is responsible for all facets of the BOS Security business unit including: budgeting, P&L responsibility, planning and analysis, policy and process development, pricing strategy, human resources, and various administration duties. Before joining the BOS Security team, he was the Pricing Director for U.S. Security Associates. The depth and breadth of his knowledge extends across a wide range of industries and environments.

Adriane Lockwood

Adriane Lockwood holds a B.A. from the University of West Georgia and received Human Resource Management training from University of North Georgia.

Lockwood began in human resources in 1999 and then worked in program management for 10 years. She is a certified Human Resource Professional with certifications from the Society of Human Resource Professionals (SHRM-CP) and Human Resource Certification Institute (HRCI -PHR).

The SHRM Body of Competency and Knowledge (SHRM BoCK™) is the basis for the SHRM credentials. The SHRM BoCK describes the behavioral competencies and HR knowledge which HR professionals need for effective job performance. The SHRM BoCK organizes eight behavioral competencies into three clusters: Leadership (Leadership & Navigation, Ethical Practice), Interpersonal (Relationship Management, Communication, Global & Cultural Effectiveness), and Business (Business Acumen, Consultation, Critical Evaluation).