Meet the Team

About Us

Our team is committed to helping our clients mitigate risk and build their resilience in a fluid, dynamic, and rapidly evolving environment.

CHARLIE AHMAD, CPP

Founding Partner

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 by ASIS International and is an active member of the Association of Threat Assessment Professionals (ATAP).

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

CHARLIE AHMAD, CPP

Founding Partner

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 by ASIS International and is an active member of the Association of Threat Assessment Professionals (ATAP).

TROY NEWMAN, CPP

Managing Partner

A former US Army law enforcement officer with over 25 years of experience leading military, government, and interagency teams in domestic and international operations. Troy advised U.S. Ambassadors and senior interagency leaders as a subject matter expert on threat-based behavior and security risk management. He specializes in crisis management and has extensive expertise delivering intelligence assessments and creative solutions in politically sensitive and complex security environments. Following his military service, Troy led a team to deliver preparedness and resilience activities for a state emergency management agency. He is a board certified in security management by ASIS International and is an active member of the Association of Threat Assessment Professionals. Troy is passionate about protecting people and mitigating risk.

TROY NEWMAN, CPP

Managing Partner

A former US Army law enforcement officer with over 25 years of experience leading military, government, and interagency teams in domestic and international operations. Troy advised U.S. Ambassadors and senior interagency leaders as a subject matter expert on threat-based behavior and security risk management. He specializes in crisis management and has extensive expertise delivering intelligence assessments and creative solutions in politically sensitive and complex security environments. Following his military service, Troy led a team to deliver preparedness and resilience activities for a state emergency management agency. He is a board certified in security management by ASIS International and is an active member of the Association of Threat Assessment Professionals. Troy is passionate about protecting people and mitigating risk.

Josh Shelton, CPP, CTM

Partner

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.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Josh Shelton, CPP, CTM

Partner

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.

Amanda Bear, PSP, PCI

Senior Consultant

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.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Amanda Bear, PSP, PCI

Senior Consultant

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.

Mark Harless, MS, PSP

Senior Consultant

Mark, a seasoned FBI agent, brings a wealth of expertise in federal law enforcement and cybersecurity. Specializing in diverse areas such as white-collar crime and public corruption, he held strategic roles at the FBI and in the private sector. With extensive experience in cybersecurity and risk management, Mark contributes to Group Nine by conducting security assessments, providing expert testimony, and collaborating on effective risk mitigation strategies. His impressive background includes serving as the Cyber Threat Intelligence lead at a global hospitality corporation, leading the development of a comprehensive threat intelligence program. Mark’s distinctive blend of federal and corporate experience positions him as a valuable asset in the creation of corporate security strategies. Mark holds a master’s degree in criminology from Florida State University.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Mark Harless, MS, PSP

Senior Consultant

Mark, a seasoned FBI agent, brings a wealth of expertise in federal law enforcement and cybersecurity. Specializing in diverse areas such as white-collar crime and public corruption, he held strategic roles at the FBI and in the private sector. With extensive experience in cybersecurity and risk management, Mark contributes to Group Nine by conducting security assessments, providing expert testimony, and collaborating on effective risk mitigation strategies. His impressive background includes serving as the Cyber Threat Intelligence lead at a global hospitality corporation, leading the development of a comprehensive threat intelligence program. Mark’s distinctive blend of federal and corporate experience positions him as a valuable asset in the creation of corporate security strategies. Mark holds a master’s degree in criminology from Florida State University.

Paul Duffy, MS, MPA

Senior Consultant

Paul covered a variety of protective, investigative, and instructor assignments over a 27-year career with the United States Marshals Service (USMS). Retiring as a Senior Inspector, Paul participated in personal security and dignitary protection details for various federal judges and the Iranian Delegation to the United Nations. While assigned to the USMS Office of Professional Responsibility, he conducted complex administrative and criminal investigations, reviewed all use of force reports, and investigated multiple shootings involving USMS personnel. Paul served as an instructor and evaluator for the USMS Training Division at the Federal Law Enforcement Training Center. In this role, Paul instructed use of force and legal updates for all USMS personnel assigned to federal courthouses. He has testified as an expert in USMS involved shootings and holds master’s degrees in criminal justice and public administration.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Paul Duffy, MS, MPA

Senior Consultant

Paul covered a variety of protective, investigative, and instructor assignments over a 27-year career with the United States Marshals Service (USMS). Retiring as a Senior Inspector, Paul participated in personal security and dignitary protection details for various federal judges and the Iranian Delegation to the United Nations. While assigned to the USMS Office of Professional Responsibility, he conducted complex administrative and criminal investigations, reviewed all use of force reports, and investigated multiple shootings involving USMS personnel. Paul served as an instructor and evaluator for the USMS Training Division at the Federal Law Enforcement Training Center. In this role, Paul instructed use of force and legal updates for all USMS personnel assigned to federal courthouses. He has testified as an expert in USMS involved shootings and holds master’s degrees in criminal justice and public administration.

JENNIFER HESTERMAN, EdD

Senior Consultant

Jenni is a retired Air Force colonel who served three Pentagon tours and in multiple command positions in the field. Her last assignment was Vice Commander at Andrews Air Force Base, Maryland, where she led installation security, including the protection of Air Force One. In addition to providing assessments for churches, schools, shopping venues, airports, stadiums and businesses, Jennifer designs and instructs graduate level security courses for the Defense Counterintelligence and Security Agency, Department of Defense. She advises the Homeland Security Training Institute at the College of DuPage in Chicago, the Crisis Response Journal and three DHS Centers of Excellence. She holds a doctoral degree from Benedictine University, Master of Science degrees from Johns Hopkins University and Air University, and a Bachelor of Science degree from Penn State University. Jennifer is the author of several security publications.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

JENNIFER HESTERMAN, EdD

Senior Consultant

Jenni is a retired Air Force colonel who served three Pentagon tours and in multiple command positions in the field. Her last assignment was Vice Commander at Andrews Air Force Base, Maryland, where she led installation security, including the protection of Air Force One. In addition to providing assessments for churches, schools, shopping venues, airports, stadiums and businesses, Jennifer designs and instructs graduate level security courses for the Defense Counterintelligence and Security Agency, Department of Defense. She advises the Homeland Security Training Institute at the College of DuPage in Chicago, the Crisis Response Journal and three DHS Centers of Excellence. She holds a doctoral degree from Benedictine University, Master of Science degrees from Johns Hopkins University and Air University, and a Bachelor of Science degree from Penn State University. Jennifer is the author of several security publications.

MIKE REINER, CPP, SPIPC

Senior Consultant

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.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

MIKE REINER, CPP, SPIPC

Senior Consultant

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.

AUSTIN AHMAD

Staff Support

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

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

AUSTIN AHMAD

Staff Support

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

Jill Levandowski

Criminal Intelligence Analyst

Jill transitioned to the private sector after more than 17 years as an Intelligence Analyst with the FBI. While at the FBI, she primarily focused on national security matters but also gained experience working violent crime cases. As an Intelligence Analyst, she provided warning to leadership through written intelligence products and briefings, enabling them to mitigate threats. Jill worked collaboratively with both United States Intelligence Community (USIC) and law enforcement partners to bring resolution to cases and better understand threats facing the community. Jill holds a master’s degree in National Security and Public Safety, is a graduate of the Intelligence Community Advanced Analyst Program and is a member of the International Association of Crime Analysts. 

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Jill Levandowski

Criminal Intelligence Analyst

Jill transitioned to the private sector after more than 17 years as an Intelligence Analyst with the FBI. While at the FBI, she primarily focused on national security matters but also gained experience working violent crime cases. As an Intelligence Analyst, she provided warning to leadership through written intelligence products and briefings, enabling them to mitigate threats. Jill worked collaboratively with both United States Intelligence Community (USIC) and law enforcement partners to bring resolution to cases and better understand threats facing the community. Jill holds a master’s degree in National Security and Public Safety, is a graduate of the Intelligence Community Advanced Analyst Program and is a member of the International Association of Crime Analysts. 

Jessica Higgins

Senior Consultant

Jessica is a senior executive with over 20 years of experience leading complex organizations, high-security operations, and large real estate portfolios and projects. She oversaw a 2+ million square foot portfolio of courthouses, offices, and secure sites—managing infrastructure and physical security, and partnering with federal law enforcement on threat assessments and emergency preparedness. She has served high-profile clients including U.S. District Court Judges, senior executives, and members of Congress. Known for her strong leadership and customer service, Jessica also led teams advancing high-performance operations across GSA’s 370 million square foot portfolio as Deputy Director of its Center for Emerging Building Technologies. She holds Federal Acquisition Certifications in Program/Project Management and as a Contracting Officer’s Representative and is a graduate of the Excellence in Government Fellows Program.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Jessica Higgins

Senior Consultant

Jessica is a senior executive with over 20 years of experience leading complex organizations, high-security operations, and large real estate portfolios and projects. She oversaw a 2+ million square foot portfolio of courthouses, offices, and secure sites—managing infrastructure and physical security, and partnering with federal law enforcement on threat assessments and emergency preparedness. She has served high-profile clients including U.S. District Court Judges, senior executives, and members of Congress. Known for her strong leadership and customer service, Jessica also led teams advancing high-performance operations across GSA’s 370 million square foot portfolio as Deputy Director of its Center for Emerging Building Technologies. She holds Federal Acquisition Certifications in Program/Project Management and as a Contracting Officer’s Representative and is a graduate of the Excellence in Government Fellows Program.

Karli Deblois

Criminal Intelligence Analyst

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.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Karli Deblois

Criminal Intelligence Analyst

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 Chandler

Criminal Intelligence Analyst

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.

Group Nine | SECURITY RISK CONSULTANCY
Group Nine | SECURITY RISK CONSULTANCY

Bridgid Chandler

Criminal Intelligence Analyst

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.

Relentless Pursuit

Our team believe in the relentless pursuit of excellence in every aspect of their work. We understand that being results-driven means that an organization strives to make things happen swiftly and as pain free as possible. By being results-driven, our team assist clients in defining their goals and achieving results that set them apart from the competition.

Relentless Pursuit

Our team believe in the relentless pursuit of excellence in every aspect of their work. We understand that being results-driven means that an organization strives to make things happen swiftly and as pain free as possible. By being results-driven, our team assist clients in defining their goals and achieving results that set them apart from the competition.

Our Values

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We do it with excellence or we don’t do it.

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We dedicate ourselves to continue learning and improving.

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We accept responsibility for mistakes.

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We strive to remain humble and kind.

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We approach our work with the highest level of ethics and integrity.