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Board Staff

Dr. Dubi Kanengisser Executive Director

Dr. Dubi Kanengisser
Executive Director

Dr. Dubi Kanengisser serves as the Executive Director for the Toronto Police Services Board, which is responsible for the fourth-largest municipal police service in North America.

Dubi joined the Board Staff in 2019 as its first Senior Advisor, Strategic Analysis and Governance, and headed the development of some of the Board's most complex and key policy initiatives, including the development of a first of its kind policy on the use of artificial intelligence, and a world-leading policy on body-worn cameras. With a background in research and evaluation, he previously worked with the provincial government supporting evidence-based decision making at the Ministry of Health and at Cabinet Office, and in the non-governmental sector with a leading human rights organization. Dubi has a PhD in Political Science from the University of Toronto, where he studied the impact of ideational changes on democractic institutions.

(416) 808-8081 | []

Diana Achim Board Administrator

Diana Achim
Board Administrator

In her role, Diana is responsible for the maintenance of the Board’s official record of decisions, and she ensures that all Board matters and decisions are properly recorded, followed up on and implemented.

Diana has vast experience in law clerk and paralegal roles, having worked with law firms, the Ministry of Attorney General and the Office of the Independent Police Review Director (OIPRD). She started her career as a law clerk in the private sector, eventually moving to government, first joining the Ministry of the Attorney General with the Office of the Public Guardian and Trustee. Diana then moved on to the OIPRD in the capacity of a law clerk, where she provided support to OIPRD counsel, prepared various legal documents for filing with the courts, and oversaw the OIPRD’s Freedom of Information (FOI) requests. Diana is a graduate of Seneca College with an Honours Paralegal Diploma and is Licensed Paralegal with the Law Society of Ontario. Diana also has an Alternative Dispute Resolution Certificate at Seneca College and is a former volunteer with the North York Community Legal Aid Clinic.

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Sandy Murray Senior Advisor, Policy & Communications

Sandy Murray
Senior Advisor, Policy & Communications

In her role, Sandy provides strategic policy and communications advice to the Chair and Board Members, drafts Board policy, conducts research and analysis, develops internal and external strategic communications and prepares speeches and other communications.

Prior to joining the Board Office in 2003, Sandy worked at the Ministry of Community Safety and Correctional Services as a Co-ordinator in Crime Prevention and Policing Programs. Sandy holds an LLB from Osgoode Hall Law School. Sandy was a Member of the Toronto Police Services Board from 1998-2001. In 2002, she assisted the Honourable George Ferguson, Q.C., in researching and preparing a report for the Toronto Police Service entitled Review and Recommendations Concerning Various Aspects of Police Misconduct.

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Danielle Dowdy Senior Advisor, Strategic Policy & Stakeholder Relations

Danielle Dowdy
Senior Advisor, Strategic Policy & Stakeholder Relations

In her role, Danielle serves as an advisor to the Board on matters related to policy analysis and development, pressing law enforcement matters, as well as stakeholder relations. Through her work, Danielle is responsible for deepening the Board’s engagement with the communities it is accountable to and embedding community voice into the Board’s work.

Danielle is a business professional with extensive experience in the areas of strategic planning, community development and youth employment. Passionate about community service, she has spent over 25 years working across communities. Professionally, she's worked at the Toronto Police Service for 13 years in many roles, all centred on working with communities on innovative programs. Her proudest accomplishment has been architecting the Youth in Policing Initiative and building a model that has been replicated across the province in over 22 police services in Ontario. Danielle previously served as Senior Strategic Initiatives Lead to the Honourable Justice Michael Tulloch on the Independent Police Oversight Review and the Independent Street Checks Review.

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Kaitlyn ChapmanAdvisor, Indigenous Engagement

Kaitlyn Chapman
Advisor, Indigenous Engagement

As the Board’s Indigenous Engagement Advisor, Kaitlyn develops, leads, and implements engagement strategies with diverse First Nations, Inuit and Métis members of the diverse urban Indigenous community of Tkaronto (Toronto), including youth, Elders, and Knowledge Carriers, and Treaty and Territorial Rightsholders, on behalf of the Board. Kaitlyn is a Mohawk woman from the Kenhtè:ke, which is the Tyendinaga Mohawk Territory. She is a member of the Mohawks of the Bay of Quinte and belongs to the Haudenosaunee Wolf clan. Kaitlyn brings experience in the fields of Indigenous post-secondary education and violence against women.

Kaitlyn’s efforts are an extension of the Board’s commitment to the Truth & Reconciliation Report, The National Inquiry into Missing and Murdered Indigenous Women & Girls, the Missing and Missed report, and the Board’s 81 Recommendations for Police Reform. She is dedicated to fostering reconciliation between Indigenous and non-Indigenous peoples by working to bridge gaps in understanding, and actively works to build and nourish relationships that are rooted in reciprocity and respect. Kaitlyn plays a critical role in leading the successful outreach and community engagement with members of the diverse Indigenous nations and their communities, as a vital part of the Board’s responsibility to foster meaningful relationships and engagement on matters that are deeply important, in order to ensure it properly and fully fulfils its civilian oversight and governance roles. []

Anne ArthurSenior Advisor, Strategic Analysis & Governance

Anne Arthur
Senior Advisor, Strategic Analysis & Governance

Anne provides leadership in leveraging data and information to drive evidence-informed decision-making and assess the real-world impact of the Board’s policies. Additionally, she leads initiatives related to the Board’s governance and policy frameworks and oversees the Research & Governance Evaluation team at the Board Office. Anne plays a pivotal role in engaging stakeholders across Toronto, including within the City of Toronto, academic institutions, and researchers on various topics, notably policing reform.

Anne brings with her 20 years of experience in public health, including an 18-year tenure with Toronto Public Health. Her deep understanding of the social determinants of health and their differential impacts on marginalized communities brings a valuable perspective to the Board Office’s work. She holds a Master’s degree in Community Health & Epidemiology from Queen’s University and a Graduate Diploma in Public Administration from Western University. Anne also demonstrates a strong commitment to public service with a long history as a volunteer for various organizations, both locally and internationally.

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Alexandra TherienAnalyst, Research & Evaluation

Alexandra Therien
Analyst, Research & Evaluation

Alex serves as an analyst to the Toronto Police Service Board as a member of the Strategic Analysis & Evaluation Team. She plays a key role in assessing the Board’s policies and examining their influence on Toronto’s policing framework by contributing to strategic monitoring, research and evaluation initiatives and providing data-driven and evidence-based recommendations. In addition, she supports stakeholder research and engagement initiatives that contribute to a deepened understanding of Toronto’s diverse communities.

Alex has a Master’s in Food Security from the University of Guelph. She has a strong background in monitoring, research, evaluation and knowledge mobilization having previously worked in the academic sector as well as for several international non-governmental organizations. In addition, she supported the United Nations Population Fund’s humanitarian response to the Rohingya refugee emergency in Bangladesh. She has conducted work for vulnerable and marginalized communities both locally and internationally in a wide range of thematic areas including education, child protection, gender equality, youth empowerment, health, and food security.

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Diana TsuiAnalyst, Research & Evaluation

Diana Tsui
Analyst, Research & Evaluation

Diana Tsui is part of the Board’s Strategic Analysis & Evaluation Team and leads independent research and analysis and outcome evaluations to inform Board policy, strategy, and governance frameworks.

Diana has extensive experience working in municipal and provincial government, not-for-profit organizations, and the academic research sector in policy development, analysis, and evaluation. Before joining the Board Office, she spent five years working at the City of Toronto across many divisions. All of her roles centered on using evidence-driven and equity-centered approaches to develop policies and evaluate services to ensure they meet emerging community needs.

She holds a Master of Public Policy degree from the University of Toronto, as well as a Master of Arts degree in Socio-Legal Studies, Graduate Diploma in Justice System Administration, and Bachelor of Arts in Law and Society from York University.

Outside of work, Diana co-founded and actively volunteers for a Scarborough-based, not-for-profit organization that provides leadership and arts programming to newcomer youth. She is passionate about public and community service, and is committed to making Toronto a safer, equitable, and just city for everyone to live, play, and work. []

Sheri Chapman Executive Assistant to the Chair of the Board

Sheri Chapman
Executive Assistant to the Chair of the Board

Sheri provides day-to-day executive assistance to the Chair and other Members of the Board.

Sheri has been a member of the Toronto Police Service since 1999. In her time with the Service, Sheri worked in Employee Records and Staff Planning and Development, before coming to the Board Office in 2005. During Sheri’s time in the Board Office, she has provided administrative support to staff and Board members, worked on a comprehensive policy review and was promoted to her current position in 2016.

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Nathalie McCausland Executive Assistant to the Executive Director

Nathalie McCausland
Executive Assistant to the Executive Director

Nathalie provides day-to-day executive assistance to the Executive Director and Board staff. Prior to joining the Board office in 2023, Nathalie has been a member of the Toronto Police Service since 2006. In Nathalie’s time with the Service, she provided executive administrative support in Accounting Services and Employee Services (formerly Financial Management), Budget & Financial Analysis, and Finance & Business Management. In her tenure, she streamlined workflow processes that optimized efficiencies in time management and accountability.

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Etheline Komoseng Administrative Assistant (Part-time)

Etheline Komoseng
Administrative Assistant (Part-time)

Etheline Komoseng is the Board’s part-time administrative assistant, providing much-needed administrative support to the entire Board Staff.

Previously, Etheline spent over 26 years combined working with the Toronto Police Service and the Toronto Police Services Board. She has worked in Records Management, Accounting and Payroll units (formerly Financial Management), Budgeting and Financial Analysis (formerly Budgeting and Control), and Finance & Business Management (formerly Finance and Administration). When she retired, Etheline left a successful career to focus on her family. After three years, she returned to the Board and feels blessed to have this perfect balance in her work life and personal life. Etheline is an advocate and great supporter to individuals with Autism Spectrum Disorder.

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