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.

Carmack is an active Rotarian having served in numerous roles over the decades including President of the Athens Rotary Club and District Governor in 2007-2008.  In 2019 he received the Rotary International "Service Above Self" Award, Rotary International's highest honor.  His other community involvement has included serving as a member of the Clarke County Board of Health, Jury Commission, the Regional Emergency Medical Services Committee and Athens Area Chamber of Commerce Board.  Carmack was recently active in the creation of the non-profit Athens-Clarke County Police Foundation to provide support to law enforcement personnel in our community.  He is a supporter of the Boy Scouts of America and served as a Scoutmaster for Troop 3 in Athens, a leader of Troop 1 in Athens and as Scoutmaster of a contingent Troop of boys from North Georgia to the World Jamboree in Australia.  Nathan has been an active member of Athens First United Methodist Church for over fifty years.

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 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.

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.

Todd Robinson is currently Vice President of Federal Services responsible for Management of ongoing federal operations as well as new business growth. He is an executive manager with 38 years of Intelligence, project management and business development experience. Robinson continues to serve as a board member of the National Military Intelligence Foundation (NMIF) who’s mission is to inspire new generations of Intelligence professionals while recognizing the success of current Intelligence professionals and sustaining the workforce needed to ensure national security.

Mr. Robinson retired as an Intelligence Officer in the United States Army after a 20+ year Career serving in units as the 313th MI Bn, 82nd Airborne Division, 3rd Special Forces Group, 1st Special Forces Group, the 319th MI Bn and three assignments to NSA (Georgia, Hawaii and Det Utah) over his 20+ year career. Following his military career, he served defense contractors in roles as Business Area Manager, VP of Programs, VP of Engineering, Chief Operating Officer, and Company President. He has advanced degrees in business with an emphasis on project management. Robinson has numerous certifications in project management, is a Member Project Management Institute and is a former NMIF US Army LTC Arthur D. Nicholson award winner for actions after 9/11.

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 certified by the Georgia Secretary of State as a Classroom and Firearms Instructor.

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 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.

As a dedicated security management professional, Charles specializes in Security Operations, Client relations deployment, personnel management, differentiated professional development solutions, and the efficient, profitable management of available security assets through the implementation of customized, dynamic, client-conscious security programs. In this way, Charles applies his values--integrity, accountability, ingenuity, and empathy--to his professional pursuits, adding value to his local BOS security team and the organization to which he belongs.

Outside the office, Charles invests his time and energy into his family. Keeping his wife and son safe, healthy, and happy are chief among his personal goals as he strives to be a role model to his family, friends, neighbors, and his local community. Charles is grateful to be married to a woman who not only understands the importance of his job and the tangible "good"​ he is able to do as a security professional, but who is also willing and able to embrace the "on call" lifestyle that comes with security management.

Whether at work or home, Charles is safety and security minded. These values are more than his job. They are how he protects himself and the people and property he values most.

With more than 30 years of professional experience as a senior business executive involved in sales, business development, operations, customer relationships management, and more, Dave Dearborn has a wealth of leadership and Entrepreneurial expertise across a variety of industries.

Dave is a seasoned senior Command Center – Call Center & Interactive Video Monitoring Command Center business executive with a proven and successful record of accomplishment in large and small business alike. Areas of expertise include business operations, sales development, top and bottom-line growth (organic and thru acquisition), business start-up, and company turnaround situations. Additionally, Dave has experience in private financing, mergers and acquisitions, strategic sales, and marketing.

Currently Dave is CEO of DCRM Solutions, Located in Nottingham, NH – a Boutique Consulting Organization, with expertise in Command Centers – Call Centers & Interactive Video Security & Related Services. DCRM is focused on bringing layered, value-added services to the multiple vertical markets, including Multi-Family / Commercial Property Management, Retail, Banking, Asset Storage (In & Outdoors), Distribution/Warehousing, as well as many other related markets.

Before DCRM, Dave was Chief Operating Officer for Iverify Inc., a Charlotte, NC based Call Center – CRM & Interactive Security Services Command Center outsourced value added services provider. Prior to his position as COO at Iverify, Dave was the “Founder” and President of Viewpoint Monitoring, located in Lowell, MA, a leading provider of Interactive Video Monitoring – Security Command Center & Call Center Services. Viewpoint has a strong concentration in the real estate, warehousing, commercial, residential, and multifamily housing vertical markets, as well as retail. Viewpoint Monitoring was acquired by Prosegur, a leading European Security Services Provider, in September of 2018.

Presently, Dave is an Executive Board Member with BOS Security, focused on expanding their VirtuGuard™ remote monitoring division and Command Center.

Christopher Ciccozzi is a security technology professional with over seven years of experience spanning command center operations, IT support, and remote video monitoring. He holds a Bachelor's degree in Criminal Justice from Robert Morris University and began his career as a Command Center Monitoring Agent at Edgeworth Security, where he progressed through roles including Command Center Training Lead, IT Specialist, and Site Design and Analytic Expert. He also completed an internship with the Pittsburgh Bureau of Police, grounding his expertise in real-world public safety operations. Christopher joined BOS Security in 2022 as a Security Operations Center Manager before transitioning into his current role as a VirtuGuard IT Support Manager, where he supports the technical infrastructure and analytics capabilities of a remote video monitoring platform serving clients across the country.

Jonathan Kos brings more than 15 years of security-focused sales leadership experience to BOS Security, with a career built on growing recurring revenue, leading high-performance teams, and strengthening customer relationships in highly regulated environments. He has scaled organizations to over 40M in annual recurring revenue, consistently exceeded quota, and led complex solution sales aligned with stringent compliance frameworks such as CMMC and NDAA. Jonathan’s background spans cybersecurity consulting, channel development, and executive sales leadership, where he has partnered with enterprises, MSPs, and VARs to design and deliver mission-critical security and compliance solutions. He is committed to understanding each customer’s unique risk profile and operational needs, ensuring BOS Security delivers responsive, dependable protection and long-term value.