Share this page Print

Chief and Executive



Roger Chaffin joined the Calgary Police Service in 1986 and assumed the role of Chief Constable on October 19, 2015.
As a Senior Officer with the Service, he has held the positions of Duty Inspector as well as the Inspector in charge of the Chief Crowfoot Learning Center. Following his promotion to the rank of Superintendent, he was first assigned to the Office of the Chief in charge of areas such as Professional Standards, FOIP, Legal Services and Strategic Communications. In his second year, he was assigned to the Criminal Operations Division. In 2010, he was promoted to Deputy Chief in charge of the Bureau of Organizational Support, which consists of the Employee Services Division, Information and Technology Division, as well as the Infrastructure Services Division.
In addition to being a member of the Service’s Executive Committee, Chief Constable Chaffin sits on the Board of Directors for the Canadian Police Knowledge Network, the Burns Memorial fund, Youthlink, the Calgary Police Foundation, and recently accepted a Board of Directors position with POLYCB (the society for policing in cyberspace).

Chief Constable Chaffin has sat as the provincial representative on the National Police Information System Advisory Board, represented Alberta Police on the Governance Committee for the Alberta First Responders Radio Committee, and sat as the co-chair of the Operations Council for the provincial records management system (API3). He also sat as the co-chair the Canadian Association of Chiefs of Police Ethics Committee, as well as was a member of various other CACP committees.
In 2015, Chief Constable Chaffin was appointed to the Order of Merit for Police Forces, one of the country’s most important honours. This achievement recognized the many years of service and leadership he has dedicated to the Calgary Police Service on behalf of the citizens of Calgary. He has also received the Queens Diamond Jubilee Medal, Federal Exemplary Service Medal, Alberta Law Enforcement Long Service Medal, Calgary Police Service Distinguished Service Medal and Calgary Police Service Chief’s Award of Excellence.


Deputy Chief Bob Ritchie joined the Calgary Police Service in 1987 and was promoted to his current rank in January 2016. Born and raised in Calgary, Deputy Ritchie attended the University of Calgary prior to fulfilling his aspiration of serving the citizens of Calgary.

Throughout his career, Deputy Ritchie has held a variety of operational, investigative and administrative positions including the Professional Standards Section, the G8 Summit Security Planning Team, the Human Resources Section, and as a Duty Inspector. The majority of his career has focused on frontline policing, serving in the ranks of Constable through Inspector in several Districts across the city. One of Deputy Ritchie’s career highlights was serving as the Commander of District 1, which encompasses downtown Calgary.

Prior to his promotion, Deputy Ritchie led the Employee Services Division as a Superintendent overseeing Human Resources, Training, and Health, Safety & Wellness. He sits on several committees including the Alberta Association of Chief’s of Police Human Resources Committee, the Alberta Recruit Selection Standards Committee and the Canadian Association of Chief’s of Police Human Resources and Training Committee.

Deputy Chief Ritchie is the recipient of several awards acknowledging his contributions to the community he serves. These include the Queen Elizabeth II Diamond Jubilee Medal, Federal Exemplary Service Medal, Alberta Law Enforcement Long Service Medal, Calgary Police Service Distinguished Service Medal and the Calgary Police Service Chief’s Award of Excellence.

Deputy Ritchie’s policing attitudes are grounded in the community-based policing philosophy. As a leader, he advocates for alignment between community partners, stakeholders and frontline officers. The purpose of community policing is to identify and prioritize underlying social problems that lead to crime and social disorder, and develop a balanced, appropriate community response to resolve problems and provide a safer community.

Deputy Ritchie is committed to working with internal and external partners to improve the quality of life for those living, working or visiting the city of Calgary.



Paul Cook joined the Calgary Police Service in 1990 and was promoted to Deputy Chief on November 16, 2015. 

Deputy Chief Cook has served in a wide variety of areas within the CPS including Patrol Sergeant, and later, District Inspector.  An extensive portion of his career has been spent in the Support Section moving through the ranks from Constable to Superintendent.
Having admirably served as the interim Chief for seven months in 2015, Deputy Cook reassumed the Executive Officer position for the newly appointed Chief Constable Roger Chaffin for a short time before being promoted to Deputy Chief.  After briefly commanding the Bureau of Operations, he now heads the Bureau of Investigative Support, which includes the Criminal Investigations and Criminal Operations Divisions.
He is a certified hostage negotiator, and holds a National Level 2 Incident Commander Certification. Throughout his career he has undertaken extensive advanced police training, and has served in senior multi-agency positions.
Deputy Chief Cook is a recipient of both the Distinguished Service Award (2004) and the Exemplary Service Medal (2010).


Deputy Chief Sat Parhar joined the Calgary Police Service in 1991 and spent eight years on patrol. He was provided many opportunities in the following years and was privileged to work in numerous areas of the Service including the Serious Habitual Offender Program (SHOP), the Professional Standards Section and the Priority Crimes Unit, among others. Continuing through the ranks, Deputy Parhar spent several years as the Staff Sergeant of Human Resources and Career Development. Once promoted to the rank of Inspector, he led the Organized Crime Section and the Human Resources Section.

Deputy Parhar is currently in charge of the Bureau of Investigative Support. This Bureau is responsible for investigations and operations into areas which include, but are not limited to organized crime, intelligence, homicide, cyber-crime, anti-corruption, and covert operations. Prior to this, Deputy Parhar was the Superintendent in charge of the Criminal Operations Division and the Specialized Investigations Division.
Deputy Parhar most recently received his Certificate in Leadership from the University of Calgary’s Haskayne School of Business. He is a graduate of the Senior Management Institute for Police from the Police Executive Research Forum in the United States. Deputy Parhar also holds several certifications including the Multi-Agency Gold Incident Command Certification from the United Kingdom, the Senior Police Administration Certificate from the Canadian Police College and was a member and co-ordinator of the Hostage Barricade Negotiation Team (HBNT).
Deputy Parhar is currently a member of the Service’s Executive Committee, and the Canadian and Alberta Association of Chiefs of Police (CACP and AACP). As a member of the CACP, he sits on the Counter Terrorism National Security Committee and the Organized Crime Committee. Deputy Parhar is presently serving on the Board of Directors for the Burns Memorial Fund and previously sat on the board for HomeFront. He is also on the joint management team for the Alberta Law Enforcement Response Team (ALERT) and the Integrated National Security Enforcement Teams (INSET) for Alberta. 
Deputy Parhar is a recipient of the Queen’s Diamond Jubilee Medal, Calgary Police Service Distinguished Service Medal, Alberta Police Long Service Recognition Medal, Police Exemplary Service Medal and the Life Saving Award.



Deputy Chief Robitaille has over 27 years with the Calgary Police Service where he has held many positions, including working as an undercover operator, police sniper, file manager for Operation Shadow targeting the Hells Angels, NCO to the Office of the Chief, supervisor for the Drug Investigative Team, Staff Sergeant, Inspector, Level II Incident Commander, Public Safety Unit Commander, NATO Training Mission Afghanistan Police Advisor to the Afghan Anti-Crime Police, and Superintendent of the Information, Communication and Technology Division and most recently the Real Time Operations Division of the Calgary Police Service.
During his career, Deputy Robitaille has formed province-wide and nation-wide relationships with other police agencies by being an active member of many police associations. Nationally, he is a member of the Canadian Association of Chiefs of Police and has been a member of its Tri-Service Emergency Management Committee since 2014.
In recognition of his contributions to policing and outstanding achievement in public service, Deputy Robitaille is the recipient of countless awards. To name a few, he received the Chief’s Award for Lifesaving in 1993, the Chief’s Award for Leadership in 2001, an Award of Excellence in 2003 and a Community Service Award in 2014.

A proud military veteran, Deputy Robitaille was also awarded a life-saving commendation by the Chief of Defence Staff in 1987 after two separate incidents during a training exercise in Wainright, AB, where he twice shielded fellow soldiers from death, sacrificing his own safety to do so.
Deputy Robitaille’s community service has been acknowledged by awards such as a Special Service Medal from NATO in 1989, the Bill Shelever Memorial Award in 1990, an Operational Service Medal from Afghanistan, a Superior Civilian Service Medal from the United States and Afghanistan. In 2011, part of the International Police Operation Program in support of the NATO Training Mission, an Article 5 Medal from Afghanistan. In recognition of his meritorious service, he also received the Queen Elizabeth II Diamond Jubilee Medal in 2012 and the Order of Merit in May 2017.