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Our Team

Ian Rotsey


Executive Director

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Ian is a counter terrorism and major crime investigator with 31 years of service with international and national law enforcement agencies. A former Detective Chief Inspector, Ian commanded specialist CBRNE, bomb response, search and rescue and other units in Australia.  As an emergency commander, Ian helped resolve major incidents involving the threat of explosives and other hazardous materials and has investigated many forms of serious and organized criminal activity, at state, national and international levels.  


Ian established the Chemical and Explosive Terrorism Unit at INTERPOL in France where he fostered a team working with law enforcement, government and military agencies throughout the world to identify best practice and deliver capacity building support to INTERPOL member countries.  Leading the team, Ian delivered complex foreign aid projects targeting the acquisition, trafficking and illicit use of CBRNE materials and conducted coordinated multi-national, cross-border counter smuggling operations, resulting in numerous arrests and seizures of illicit materials.


Ian is a founding member of the Thin Blue Line International Association. 


Jason Medley

Director of Operations

Jason has served as a senior officer in both the British and Australian Army.  He specialised in the Technical Acquisition and Capability Management of Counter Improvised Explosive Device (CIED) and Explosive Ordnance Disposal (EOD) equipment and Information Systems Security (Cyber). He holds two Master degrees; Advanced Information Systems and Computer Management Security.

Jason has extensive operational experience covering multiple deployments to Northern Ireland, Bosnia, Kosovo, Macedonia, Iraq and Afghanistan. He has worked predominantly in the FIVE EYES community to include his last position as Deputy Director Counter Improvised Threat Defeat Branch of Headquarters Resolute Support; the Four-Star US led Afghanistan Headquarters in Kabul.  This role included IED/EOD training and instruction, Exploitation and Intelligence, Operations and Acquisition, and Technology procurement.  He advised and assisted the Afghanistan National Defence and Security Force in the conduct of Counter Improvised Threat capability management and development.


Dr Gretchen Lorenzi


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Cliff Jones
CT, Missing Person & Major Crime Search, Conflict Resolution Trainer, Assessor & Verifier

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Cliff is a retired Police Sergeant with 25 years front line operational and specialist service preceded by 9 years Military service with the British Army. Cliff served as a police officer and supervisor from 1990 and as a CT Police Search Advisor from 2012. In this role he has planned and led numerous protective searches for the British Royal family, other heads of state and significant sporting and public events. Cliff has also provided specialist search advice to high profile criminal and missing persons investigations throughout the UK. In 2013 Cliff was seconded to UK’s College of Policing (CoP), PNSC (Police National Search Centre) as a CT Search trainer.


Cliff continues to provide associate and trainer services to the UK PNSC and CEPOL. Cliff works internationally supporting a number of Government and NGO projects, teaching CT and major crime search techniques as well as police skills and forensic management. He believes passionately in training to reflect operational realities, where every student leaves equipped to improve their own performance and to enhance their organization.

Dr. Gretchen Lorenzi is the Director of Operations for the Thin Blue Line International Association -- involved in project design and development, team management, grant writing, course instruction, and program implementation.  She has over 20 years of experience in counterterrorism policy development and biological, chemical, and pharmaceutical laboratory research.  She specialized in Biological Countermeasures as an Intelligence Analyst at the U.S. Federal Bureau of Investigation (FBI).  As a Certified FBI Instructor, Gretchen organized and led numerous bioterrorism training workshops and meetings at the national and international levels; designed and facilitated tabletop and field exercises; and delivered numerous presentations on bioterrorism, weapons of mass destruction, agroterrorism, and public health response.  She was appointed by the FBI to assist in establishing Interpol’s Bioterrorism Programme and is a co-author of Interpol's Biological Incident Response Guide.  She also was detailed to the US Department of State’s International Health & Biodefense Office Developed to develop international policy related to bioterrorism.  Gretchen specializes in working with interagency partners including public health and scientists.  She launched and managed an FBI initiative and training program focused on increasing vulnerability awareness among leaders from universities and scientific organizations. 


Imre Rohonczy
Explosives, Post-Blast Reconstruction, CBRNE Incident Response, Search and Close-Protection

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Imre is a police officer in Ottawa, Ontario, Canada. He joined the Ottawa Police Service in 1989 as an officer on patrol and the Marine Dive Unit. In 1995 he was selected and joined the police service’s Tactical Team (Hostage Rescue). He served as an assaulter, specializing in explosive forced entry, close protection and sniper / counter sniper work. In 2003-2004, Imre was seconded to the Prime Minister’s Protection Detail of the Royal Canadian Mounted Police (RCMP), where he served as a bodyguard to two Prime Ministers and deployed overseas on high risk state visits.


Diana O'Brien
CBRNE Forensics, Post-Blast Investigation, Disaster Victim Identification

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Diana retired as a Staff Sergeant from the Royal Canadian Mounted Police (RCMP) in 2018 after 33 years of service as a police officer. The last 12 years of her career was as a Forensic Identification Specialist and went on to further specialize in Chemical, Biological, Radiological, Nuclear and Explosives (CBRNE) crime scene investigation, post blast investigations and Disaster Victim Identification.


Wade Barnes


Counter Narcotics

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Wade retired from the United States Drug Enforcement Administration (DEA) after almost 29 years as a Special Agent.  As a DEA Special Agent from 1991 to 2019, Wade had assignments in domestic locations, as well as foreign locations such as, Iraq, Afghanistan, Mexico and Ukraine.  Wade’s last assignment was in Gulfport, Mississippi as a Supervisory Special Agent for the Tactical Diversion Squad.  Wade participated in and supervised numerous drug investigations resulting in numerous arrests, convictions and the seizure of assets.


Dr David deTata

Explosives, Post-Blast, CBRNE Forensics, Chemical Criminalistics

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David is a practising forensic scientist with over 20 years’ experience undertaking chemical criminalistics casework involving homemade explosives, illicit drugs, clandestine laboratories, and chemical weapons as part of the Western Australian forensic response. David has designed and delivered numerous national and international training programs including being part of the INTERPOL Chemical and Explosive Terrorism Unit. David currently supervises numerous PhD projects relating to aspects of chemical criminalistics including explosives and other forms of forensic evidence.


Tom Grant



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After 28 years in senior sales management positions for one of the world’s largest Oil and Petrochemical companies, Tom, together with his wife, established an NGO aimed at improving the lives of girls and women in Burkina Faso, Africa. His position in the petrochemical industry involved contract negotiations with large corporations and governments which required extensive travel throughout Europe, Africa and the Middle East. He has lived and worked in UK, France, Hong Kong, USA , Burkina Faso and Switzerland where he currently resides.


Stephen Larson



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Stephen is the former Acting General Counsel to the U.S. Treasury Department, whose duties included review of legal positions of the offices enforcing economic sanctions and anti-money laundering laws. He currently serves as counsel to a private law firm, practicing in the areas of corporate governance and regulatory issues.


Jon Lorenzi



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Jon is a proven executive and leader and is currently the Managing Principal of Avalanche Cybersecurity.  He is a United States Army Veteran having served in the US Army Special Operations Command with combat tours in both Operation Iraqi Freedom and Operation Enduring Freedom. Jon has served more than sixteen years in the federal government, most recently as the US Secret Service Liaison to the White House Communications Agency. Prior to this position, Jon held senior cyber security leadership positions within the United States Secret Service. He began his career as a US Army Officer focused on logistics and resupply operations supporting Special Operations Forces in the Global War on Terror, Operation Iraqi Freedom, and Operations Enduring Freedom. The White House, US Secret Service, and the US Army recognized Jon throughout his career for leadership within his respective organization and his due diligence in protecting national security.


Mike Evans


Counter IED/EOD

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Mike served as a reserve Military Policeman and as an EOD officer for the past 15 years with a focus on Defense Capacity Building.  Mike has also worked as a Joint Special Operations Forces EOD Counter-Proliferation officer, Director of the Army EOD Training Department and as Deputy Director of the Madrid based Counter IED Centre of Excellence.  Mike has a number of operational deployments, most recently as the NATO ISAF Joint Command C-IED Branch Chief, partnering with senior Afghan C-IED staff officers in the Army and Police. He is an advocate of Rule of Law police capacity building, underpinned by practical national policy.  


Doug Morris
CBRNE Forensics, Post-Blast Investigation, Disaster Victim Identification

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Doug is a former Sergeant of the Royal Canadian Mounted Police with 36 years of service. His experience in criminal investigation took him all across Canada as well as to Africa, the Middle East and South America to provide international training.


Elizabeth Rohonczy
Biohazard Safety & Containment

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Elizabeth is a veterinarian with 30 years’ experience in the management of containment laboratories and field operations involving biohazardous agents, including; 

the development of operational and safety protocols, protective equipment selection, staff medical monitoring, spill response, and waste handling.


Gavin Stevens
Maritime Tactical Operations, Counter IED/EOD and CBRNE

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Gavin has more than thirty years experience working with the Royal Australian Navy (RAN), with 20 years as a highly decorated Special Forces Chief Petty Officer (Clearance Diver) working in maritime, tactical and underwater operations, and for the past 12 years as an Australian Department of Defence consultant working on projects of national significance.  A highly qualified educator, Gavin was the RAN Chief Instructor in Maritime Tactical Operations, Explosive Ordnance Disposal (EOD), and Improvised Explosive Device Disposal (IEDD) and has extensive supervisory training experience in a multitude of related courses including CBRN operations.


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Iain Watt

International Security Specialist / Physical and Technical Security Adviser / Indigenous Capability Development and Mentoring

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Iain is an international security specialist with a demonstrated history working as a senior officer in the military and civilian foreign affairs. His experience includes leading strategic-level contingency planning teams for inter-agency operations and security lead for response options supporting inter-government crisis planning. He has completed numerous operational deployments in Iraq, Afghanistan and the Balkans, as well as extensive partner capacity development and training work globally, notably in Iraq and Afghanistan but also across the South West Pacific. A Chartered Security Professional and Fellow of The Security Institute, Iain holds two Master degrees: Military Studies (Strategy and Strategic Policy) and International Criminal Justice. 


John Shanahan
Countering Emergent & Improvised Threats, Explosive Ordnance Disposal, Search

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John has served for over 30 years in both the British and Australian Armies retiring as a Brigadier. He has extensive experience in Counter Improvised Explosive Devices, Search techniques, high profile venue security and is a qualified Bomb Disposal Officer, as well as chemical, biological, radiological, nuclear, and explosive (CBRNE). He has completed numerous operational deployments in Iraq, Afghanistan and the Balkans, as well as extensive building partner capacity and training work around the world, notably in Iraq and Afghanistan but also in Jordan, Egypt, the Philippines and Thailand. He is committed to supporting military and police forces on the front line.


Leslie Rohonczy
Certified Integral Master Coach & Expert Team Development Facilitator

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With over twenty-five years of business and leadership experience, Leslie brings solid business acumen to her coaching work with senior managers, corporate leaders, employees and teams. Her creative and compassionate approach to learning and human development is deeply anchored in the Integral Coaching® method, leveraging individuals' strengths while helping them grow new awareness and abilities to sustain real change.


Ron Matthews


CBRNE Operations

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Ron retired from the Royal Canadian Mounted Police in 2018 after 38 years service as a police officer with 18 years experience as a Police Explosives Technician. He finished his career at the rank of Senior Sergeant as the NCO in charge of the CBRNE Operations Training Unit.


Karen O'Brien
Anti-Money Laundering, Counter-Financing Terrorism

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Karen spent 17 years as a police officer with the Toronto Police Service and spent the last five years as a Detective in the Fraud & Forgery Squad. She was seconded to the Royal Cayman Islands Police Service to work in the Financial Crime Unit for 2 years with a focus on multi-national financial crime and money laundering investigations. For the past 15 years, Karen has specialized in providing consulting and training to the financial services industry in anti-money laundering, counter financing terrorism (AML/CFT), and fraud.  Karen is a Certified AML Specialist, Certified Compliance Specialist and deemed and Expert Witness in AML matters by the Grand Court of the Cayman Islands.

As a professional consultant, Karen dedicates her time to the design and implementation of AML/CFT compliance programs, AML training and financial investigations stemming from allegations of fraud.  She routinely liaises with regulators, financial intelligence units and industry partners for the furtherance of AML/CFT initiatives.  Her experience covers all classes of financial institutions and licenses and a variety of Designated Non-Financial Businesses (DNFBPS). Karen hosts an annual AML/CFT & Financial Crime Conference, providing a forum for networking and education for financial service providers, law enforcement and regulators.

Karen participated as a committee member in the Cayman Islands National AML/CTF National Risk Assessment public/private partnership.  Karen is the founder of the International Association of Certified Compliance Specialists (IACCS), an Executive Committee member of the Cayman Islands Compliance Association and a member of the International Association of Financial Crimes Investigators.  

Karen has worked closely with the Cayman Islands Real Estate Brokers Association (CIREBA) for the past 10 years, assisting with the implementation of their compliance regime including drafting policies and procedures, training, and an internal audit. Karen is currently a participant in the Cayman Islands Real Estate Working Group as a representative for CIREBA, liaising with government authorities to establish an effective and appropriate supervision framework for the industry.  She has presented to the Caribbean Financial Action Task Force (CFATF) Plenary meeting on the establishment of a compliance and supervisory framework for the real estate industry.


Richard Wood


Forensic Investigations & CBRNE

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Richard is a distinguished and experienced former Detective Sergeant of the New South Wales Police Force, having served 23 years working across counter terrorism, CBRNE and major crime investigation.  Richard is a forensic expert and Disaster Victim Identification (DVI) practitioner, with more than 15 years’ experience in CBRNE. Involved in over 2000 major crime investigations, Richard has coordinated multi-agency response teams and led major crime investigations, at state, national and international level.


Glyn Lewis

 Infrastructure Security, Cybercrime, Data Analytics

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Glyn recently retired from the Australian Federal Police following over 16 years of executive and senior leadership roles. He had a distinguished career serving offshore as Director of Specialised Crime & Analysis at INTERPOL, various United Nations deployments and Mission Commander in the Pacific. Some of his more notable roles in Australia were National Coordinator Cybercrime, Commander Operations and support for four international airports and as an Assistant Auditor General for the Government of Western Australia where he established a data analytics capability using Artificial Intelligence. His final policing role was as Head of Operations at the Australian Centre to Counter Exploitation where he was responsible for teams across victim identification, covert engagement, technological innovation and learning & development.

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