About Us

Integrity | Trust | Confidence

Our team at Great Circle has over 125 years of combined experience in policing, security, investigations, polygraph and training. We provide training in areas such as interviewing, critical thinking and effective leadership. We work closely with the public and private sectors to provide training programs that are cost-effective and tailored to their needs.

Great Circle is a trailblazer in identifying existing and emerging security threats/risks and developing effective solutions through a tried and true consultative process. We protect our clients, their interest and their reputation, while providing insight and instilling confidence.

Our Services

Offering a full range of risk management and training solutions across North America and abroad

Meet The Team


Senior Consultant

Sam Ghadban founded this independent consulting company after 26 years with the Royal Canadian Mounted Police (RCMP). His policing experiences have included General Duty (Patrol), Investigations (Detective), Major Crime (Homicide), Polygraph, Emergency Response Team Leader (E.R.T./S.W.A.T.), Undercover Operations, Organized Crimes/Gangs and Interview/Interrogation Team. As a member of the Provincial Interview Team, he has led some of the most complex interviews in Western Canada. Sam also has extensive experience in lecturing on topics such as interviewing, active shooter response and providing court testimony. He left the RCMP as a Sergeant and Accredited Team Commander. Sam then entered the private sector where, as a Security Consultant, he successfully led a large security operation at a 20 billion dollar energy facility in northern Alberta. Sam is a licenced private investigator in British Columbia and Alberta and a Certified Protection Professional (CPP).


Senior Consultant

Tony Hamori entered the private sector after serving 28 years with the Royal Canadian Mounted Police (RCMP) in British Columbia, Alberta and Manitoba. His background includes extensive experience in General Duty (Patrol), Major Crime (Homicide), Polygraph and Internal Affairs investigations. While posted in Alberta he was a Crisis Negotiator for the Emergency Response Team, and one of the founding members of the Provincial Interview Team where he led numerous successful interviews on high profile investigations. He has extensive experience delivering Investigative Interviewing training to police officers and public sector investigators. He spent the last 10 years of his service as a Commissioned Officer in senior management roles in Human Resources, Major Crime, Detachment and District Commander positions, retiring at the rank of Chief Superintendent. He is a licenced private investigator in the province of British Columbia and currently specializes in workplace investigations, pre-employment polygraph testing, and Effective Leadership training which is applicable to supervisors in any organization.


Senior Consultant

Rob Parker has over 26 years of policing experience, primarily with the Royal Canadian Mounted Police (RCMP) in British Columbia, in which he worked in a variety of roles as an investigator and leader. These units include Patrol, Robbery/Serious Crimes and Major Crime/Homicide. Prior to leaving the RCMP in 2018 to enter the private sector, Rob was a commissioned operations officer with the Federal Serious and Organized Crime Unit (FSOC) and the Provincial Major Crime Unit.
Rob holds a BA in Criminology and an MA in Criminal Justice with an emphasis on examining police interviewing behaviours that both increase and reduce the risk associated to the phenomenon of false confessions. He is a subject matter expert (SME) in police investigative interviewing and was a team leader with the RCMP Provincial Interview Team. Rob was also a member of the Team Commander Accreditation Committee in British Columbia.
Rob has taught Criminology classes, as a sessional instructor, at the University of the Fraser Valley (UFV) and continues to guest lecture at the University of British Columbia (UBC) Law School on the topic of Police Interviewing and Protecting the Innocent from False Confession.


Senior Consultant

Al Proulx has over 27 years of policing experience with the Royal Canadian Mounted Police (RCMP) in which he worked in a variety of investigative and leadership roles. His extensive experience includes Patrol, Major Crime/Homicide Investigator, Provincial Interview Team Leader, International Liaison Officer, National Security Criminal Investigations, Organized Crime and Major Crime as a Unit Commander leading some of the most complex provincial, national and international serious crime investigations. He has wide-ranging national and international lecturing experience on a variety of topics including Major Case Management and Investigative Interviewing techniques. He left the RCMP in 2015 as a Staff Sergeant and Accredited Team Commander and worked as a Security Consultant and investigator in the private sector. He is a licenced private investigator in the British Columbia and Alberta who specializes in workplace investigations and continues to lecture in the fundamentals of interviewing and investigations.


Senior Consultant

Stephane Lacroix joins our team with his own unique attributes. As a native of Montreal Quebec he is fully bilingual and he recently retired from the Royal Canadian Mounted Police (RCMP) with over 33 years of service. After completing a College Degree in Police sciences, he joined the force where he worked in Ottawa and British Columbia. His policing experience ranged from General duty (patrol) which included Detachment Command as well as Major Crime investigator and supervisor. Stephane was a member of the Emergency Response team (E.R.T/SWAT) for 20 years as an assaulter and sharpshooter. He was a Major Crime Accredited Team Commander and a member of the E Division Interview Team for over 15 years. As a result of his experience with the Interview Team, he became a valued resource teaching the new Phased Model Interview Technique. Stephane has consulted on several courses in Chilliwack (CPC West) and the National Interview/Interrogation course in Ottawa (CPC East).

Contact Us

Sam Ghadban


Great Circle Consulting Inc