Meet Our Dedicated Leadership Team

SCOTT POWELL
SCOTT POWELLPresident
Scott Powell currently works with Ryan ULC in their Property Tax practice as a Director and Team Lead and is located in Calgary, Alberta. Scott has over 20 years of public and private sector experience in the assessment and property tax industry. He is an Accredited Member of both the Institute of Municipal Assessors (MIMA) and the Alberta Assessors’ Association (AMAA) and is also a Past President of the Alberta Assessors’ Association (2021).
Member Since 2020
GREG KERRY
GREG KERRYExecutive Vice President
Greg began his career in property tax with more than a decade of valuation consulting. Acting on behalf of property owners, he represented all property types from high-density multi-family residential to heavy industrial. Greg moved to an in-house role where he is currently the Director of Realty Tax with Crombie, handling everything assessment and tax-related in all ten provinces. Greg is a designated member of the Appraisal Institute of Canada (AACI) and a Member of the Royal Institution of Chartered Surveyors (MRICS).
Member Since 2014
AIMEE LOUIE
AIMEE LOUIEVice President, Administration
Aimee Louie is a litigator at Wilson Laycraft in Calgary, practicing in commercial litigation, administrative, and municipal law. Aimee has represented clients at all levels of court in Alberta, and has appeared before various administrative tribunals, including assessment review boards, the Land Compensation Board, and the Alberta Utilities Commission.
Member Since 2018
DAN ROSMAN
DAN ROSMANVice President, Commiunications
Member Since 2016
EVAN PRENDERGAST
EVAN PRENDERGASTPast President
As a Senior Manager at BDO Canada LLP, Evan provides property tax solutions to a variety of clients in the industrial, commercial, and institutional sectors. Evan is a licensed Paralegal with the Law Society of Ontario, and a Certified Assessment Evaluator (CAE) candidate with the International Association of Assessing Officers. In his past 13 years of industry experience spread across multiple provinces, Evan has enjoyed leading specialized group initiatives, complex property valuation projects, representing clients in front of various Assessment Tribunals, and building a long-lasting professional network.
Member Since 2014
GISELLE KAKAMOUSIAS
GISELLE KAKAMOUSIASTreasurer
Giselle is Vice President at Turner Drake & Partners Ltd. in Halifax, and is a commercial appraiser, holding both P.App, AACI and MRICS designations, as well as a Bachelor of Commerce in Accounting. She has three decades’ experience in the field of real estate valuation and taxation, and has overseen the filing and resolution of tens of thousands of appeals covering every Province in Canada.
Giselle is a very active volunteer in the real estate, assessment, and taxation communities, including the CPTA, where she is Treasurer and a Past President.
Member Since 2006
Diana Pan
Diana PanBC Chapter Chair
Diana is a Director, Complex Property Tax at Ryan, based in Vancouver, BC. With over a decade of experience in the property tax industry, she specializes in property assessment appeals involving development land throughout the Lower Mainland and Greater Victoria.

Diana holds a Bachelor of Commerce from the University of British Columbia’s Sauder School of Business, specializing in Real Estate. She began her career in property tax with Altus Group before joining Ryan, where she advises developers, institutional landowners, and commercial real estate clients on complex assessment matters and property tax strategies.

Beyond her consulting practice, Diana is actively involved in the commercial real estate and property tax communities. She currently serves as Chair of the BC Chapter of the CPTA, helping advance the profession through industry collaboration, advocacy, and education. She also volunteers on the Membership Committee for CREW Vancouver, supporting the growth and engagement of women in commercial real estate.

Member Since 2017
Lauren Sky
Lauren SkyWestern Chapter Chair
Lauren is a Certified Professional Accountant with over 25 years of professional experience in assessment, taxation, fixed assets, forecasting and account management. She has a detailed understanding of regulated property assessment and taxation including oil & gas electric power, and telecom properties. Lauren is recognized in the industry as an expert in general tariff application forecasts and annual property tax forecasts. Lauren is known for navigating through complex situations to achieve the best results for her clients.
Member Since 2011
GERRY CARR
GERRY CARROntario Chapter Chair
Gerry Carr started his property tax career in 1987 working for the Ministry of Finance, then going into the private sector in 1993. Gerry is currently a Director BDO Canada LLP heading up their newly formed property tax service line. He has proudly led a talented team of property tax experts in the Southwestern Ontario market for the last 22 years. Gerry was part of the Organizing Committee for the CPTA National Workshop in 2011 and again in 2013, 2019, 2020, 2021 & 2022. He held the role of Vice Chair of the Ontario Chapter for 2018 & 2019 and has now served as Ontario Chair since 2020.
Member Since 2004
SAMUEL COUSINEAU-BOURGEOIS
SAMUEL COUSINEAU-BOURGEOISQuébec Chapter Chair
Samuel est un avocat spécialisé en fiscalité municipale et il exerce également en droit municipal ainsi qu’en droit immobilier au sein du cabinet Therrien Couture Joli-Cœur à Montréal. Il représente une clientèle diversifiée devant les tribunaux et conseille ses clients dans le cadre de leurs affaires. Il conseille ses clients ayant des propriétés multi-résidentielles, commerciales, industrielles ou institutionnelles durant tout le cycle immobilier au niveau de la fiscalité municipale, que ce soit en développement, acquisition, détention ou disposition des actifs.

Samuel is a lawyer that specialises in municipal taxation, and he also practices in municipal law and real-estate law at Therrien Couture Joli-Cœur in Montreal. He represents a diverse clientele before the Courts and advises clients on their business affairs. He advises clients with multi-family residential, commercial, industrial, or institutional properties throughout the real estate cycle on municipal taxation, whether in development, acquisition, ownership, or disposition of assets.

Member Since 2022
LOUISE LECLAIR
LOUISE LECLAIRManaging Director
Louise Leclair has been the Managing Director of the Canadian Property Tax Association (CPTA) since 2017. In this national leadership role, she oversees the day-to-day administration, financial management, membership engagement, and strategic planning of the association. Her multifaceted responsibilities span executive operations, communications, compliance, and event planning, ensuring the CPTA remains a vital resource for property tax professionals across Canada.