About Us


Our team at Great Circle has extensive experience in policing, interviewing, security, investigations, polygraph and training. We deliver training in areas that will provide our clients with the tools to develop their people and their organizations. We specialize in interview (communication) training, inclusive leadership training and other respectful workplace training workshops to provide our clients the essential skills for success. We work closely with the public and private sector to provide training programs that are cost-effective and tailored to their needs.

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, inclusive leadership, respectful workplace/workplace violence 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

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 interviewing courses across Canada.


Senior Consultant

Rob Angco has over 27 years of policing experience with the Royal Canadian Mounted Police and the Organized Crime Agency of British Columbia. Rob has extensive policing experience having been the Team Commander in charge of many specialty units including the Surrey RCMP Special Project Intelligence and Enforcement Section which included the Unsolved Homicide Unit, the Legal Applications Support Team, the Tactical Surveillance Unit, the Criminal Intelligence Section, and the Uniformed Gang Enforcement Team. Prior to retiring from the RCMP, Rob held posts as the Commander in charge of the Provincial Interview Team and as Team Commander in charge of Lower Mainland Integrated Homicide Investigation Teams. Rob also served on the Provincial Unsolved Homicide Unit, the Provincial Interview Team, the RCMP Polygraph Unit and Detachment level Major Crime Units and as such is recognized as a subject matter advisor in investigative interviewing and major crime investigative techniques. Rob is a seasoned instructor who has provided training to police agencies across Canada and Internationally including Europe and Asia. As a RCMP Accredited Team Commander, Rob has led and/or been involved in over a 100 homicide investigations and many large scale Organized Crime related major case investigations. Rob has been a Certified Polygraph Examiner since 2005 and is a consultant on investigative techniques, work place conflict and leadership.


Senior Consultant

Murray Bartley served for 28 years in the Royal Canadian Mounted Police in the Provinces of Saskatchewan and Alberta, in a variety of roles. He worked general duty (uniform), Commercial Crime, General Investigations (GIS) and Major Crimes (homicide). Along with being on the Interviewing Assistance Team for the RCMP in Alberta, he was involved in creating the National Search Warrant Drafting Course and delivered to a variety of police personnel nationally. Prior to joining the RCMP he obtained a Bachelor of Arts Degree in Psychology from the University of Winnipeg and continued with his post graduate studies while in charge of Major Crimes where he obtained a Master of Arts in Organizational Leadership from Gonzaga University. Upon leaving the RCMP he joined the Blood Tribe Police Service as the Staff Sergeant in Charge of the General Investigation Unit where he was also in charge of the training unit.

Murray joined Lethbridge College in 2013 as a full time faculty instructor in the Criminal Justice Program where he wrote and taught numerous interviewing and law courses, as well as he wrote and delivered an applied degree course in leadership. He introduced the first “Search Warrant Drafting Course” at Lethbridge College where he instructed police officers from the Lethbridge Police Service, RCMP, Blood Tribe Police Service, and Regulatory agencies in judicial authorizations. He was involved in developing the Police Cadet Training Program for the Lethbridge Police Service and undertook competency assessments of the cadets throughout the program. Murray conducted research with a colleague which is to be published in the academic journal “Imagining SoTL” (Scholarship of Teaching and Learning) in 2021 that is entitled, “Role-playing Gamification Technologies with Adult Learners.” Murray is trained and experienced in writing curriculum and in developing and implementing lesson plans. He has experience instructing in flexible learning environments including on campus, online, and distance learning.

Contact Us

Great Circle Consulting Inc