Charlie has 30 years of security experience from his time in the U.S. Marshals Service, U.S. Army and as the founding partner of Group Nine Risk Consulting. Charlie’s career was spent in high-risk situations and austere environments all over the world. He served as a Behavioral Threat Assessment Program Manager for the USMS and has managed all aspects of security for several large U.S. government facilities. Charlie has been directly responsible for the investigation and management of threats to a U.S. Cabinet-Level official, U.S. Supreme Court Justices, U.S. District Court Judges, and numerous other federal judicial officials. Charlie is board certified in Security Management and Physical Security by ASIS International and is pursuing an MBA at the Georgia Institute of Technology.

Troy is a former U.S. Army law enforcement officer with over 25 years of experience leading military, government, and interagency teams across domestic and international operations. He served as a subject matter expert on threat-based behavior and security risk management, advising U.S. Ambassadors and senior interagency leaders on complex security challenges. Troy specializes in crisis management and has delivered critical intelligence assessments and innovative solutions in politically sensitive environments worldwide. After his military service, he transitioned to civilian leadership, directing preparedness and resilience initiatives for a state emergency management agency. Troy is board certified in security management by ASIS International and maintains active membership in the Association of Threat Assessment Professionals. His career reflects a deep commitment to protecting people and proactively mitigating risk.

Mark is a retired FBI Supervisory Special Agent with over 25 years of federal law enforcement experience. Throughout his career, he was responsible for investigations into violent crime, drug trafficking, white-collar crime, corruption, and counterterrorism, holding leadership roles directing complex interagency corporate criminal investigations. He also served as a member of the FBI’s Evidence Recovery Team. Before the FBI, he served as a Special Agent with the U.S. Air Force Office of Special Investigations, where he led investigations involving violent crime, sex crimes, fraud, and counterintelligence. Following his federal career, Mark directed security and threat intelligence efforts in both the hospitality and cybersecurity arenas. At Group Nine, he provides expert testimony in complex civil litigation involving security negligence and premises liability, conducts comprehensive security assessments, and develops strategies for physical security, asset protection, and risk mitigation. He holds a master’s degree in criminology from Florida State University and is board certified in physical security through ASIS International.

Josh is a seasoned professional with a rich history in law enforcement and corporate security. During his 20-year career, he has excelled as a criminal investigator, behavioral threat assessment professional, and physical security subject matter expert. Josh holds a master’s degree in criminal justice and is a board-certified Security Manager through ASIS International, board-certified Threat Manager through the Association of Threat Assessment Professionals (ATAP), and a board-certified fraud examiner. He is a sought-after public speaker on the topics of behavioral threat assessment and workplace violence prevention. Josh serves on the regional board at ATAP and chairs two Georgia Division of Family and Children Services Boards.

John is a seasoned security consultant and expert witness with over 40 years of experience advising government agencies, Fortune 100 corporations, law firms, and others. As founder of John C. Villines, LLC, his commitment to excellence has been recognized by colleagues and clients alike. 

Appointed by three successive governors to Georgia’s regulatory board for private detectives and security, he served multiple terms as Chair between 2003 and 2017. He authored the Georgia Crime Prevention Specialist training program and served on an international board overseeing the development of ANSI and ISO Standards. In October of 2001, he began a 16 year no-bid consulting engagement with the U.S. Department of Justice, during which he pursued advanced studies in statistics and quantitative methods at Harvard University. 

He remains passionate about mentoring and collaborating with professionals dedicated to the highest standards of the profession and is honored to share his experience with Group Nine Risk Consulting—a team of professionals dedicated to excellence and integrity.

Amanda served as a law enforcement officer and firearms and defensive tactics instructor for over nine years before transitioning to the corporate security sector. Amanda specializes in high profile investigations involving public officials, celebrities, gang activity and white-collar crime. Her expertise includes insider threat investigations, the prevention of domestic and workplace violence, and technical investigations leveraging digital intelligence. As an investigator, she served with several specialized units including the ATF Gun Violence Task Force, Anti-Corruption, Special Victims, and Homicide Units. Amanda is board certified in investigations and physical security through ASIS International.

Steve Dudak is a senior security consultant with more than 30 years of combined experience in law enforcement and private sector security. He provides strategic expertise in security management, threat assessment, and awareness training to support risk-mitigation initiatives for diverse industries. A certified CPTED professional and active leader in ASIS International, Steve has served as Chair of the Hospitality, Entertainment, and Tourism Security Community.

Mike is a senior executive with 25 years of visionary leadership in security, law enforcement, and installation support organizations within the U.S. Air Force, including nine years in command positions and deployments to Colombia, Iraq, and Afghanistan. After retiring as a colonel, he pivoted to the private sector, leading campus safety, security, and emergency management programs as the Assistant Vice President of Public Safety at Creighton University for eight years. Mike has extensive education, training, and practical experience with physical security, intelligence analysis, vulnerability and threat assessments, and emergency management. He holds graduate degrees in criminology and intelligence, is board certified in security management by ASIS International and the Department of Defense, and is a graduate of the FBI Law Enforcement Executive Development Seminar.

Karli is a former FBI Intelligence Analyst with over six years of specialized experience analyzing complex threat landscapes, including transnational organized crime, cybercrime, and international terrorism. During her tenure, she served in multiple collateral roles, notably supporting SWAT operations through the FBI’s Tactical Operations Center. Before joining the FBI, Karli gained valuable experience as an intern with the Department of State’s Office of Missile, Biological, and Chemical Nonproliferation, where she developed expertise in weapons of mass destruction threat assessment. Karli earned her bachelor’s degree from the University of North Carolina Wilmington and maintains active membership in both the International Association of Crime Analysts and the Carolinas Crime Analysis Association.

Bridgid brings extensive experience spanning energy, technology, and security sectors, with a proven track record of facilitating collaboration between private industry and government agencies. She previously served as an intern with Homeland Security Investigations (HSI) in Boston, supporting the Counterproliferation and Child Exploitation units while gaining hands-on experience in research, investigations, and tactical training. Following her work at HSI, Bridgid transitioned to consulting, where she guided clients through complex private-public partnerships by conducting stakeholder analysis across local, state, and federal levels to achieve strategic cross-sector collaboration. Bridgid holds a master’s degree in security studies and a bachelor’s degree in History and Political Science.

FAA Certified Remote Pilot supporting security consulting operations through aerial imagery and data collection. Conversational Spanish skills. Committed to safety and justice.