Leadership Team

Antoinette Tummillo, Executive Vice-President

Antoinette leads the Real Estate Management Services group in Canada. She has progressive and broad-based experience leading Real Estate teams at several major private/public corporations, including several notable Fortune 500 companies. Antoinette is a recognized, respected leader in the Canadian real estate industry. Possessing almost 30-years of experience in all facets of real estate operations she has earned a reputation for adeptly managing large corporate real estate teams, innovating service delivery, and enhancing growth and profitability for several large corporations including a major real estate services company. View Full Profile

Peter Papagiannis, Senior Vice President, National Operations

Peter is focused on building a strong national platform to enhance the Real Estate Management Services operation; focusing on service excellence, consistency and delivering value to our clients. Peter is also very active in promoting environmental awareness and sustainability within the real estate sector through his involvement in various industry groups. View Full Profile

John Duda, Senior Vice President, National Accounts & Eastern Canada

John is responsible for the management and pursuit of national accounts and accounts based in Eastern Canada. Working in partnership with all regional leads, John is a key member of the Real Estate Management Services leadership team responsible for our client strategy, growing our business and enhancing our service delivery. John possesses extensive experience across North America in all aspects of Real Estate management. View Full Profile

Jim MacKenzie, Vice-President, Facility Services

Jim provides strategic leadership and technical oversight of Colliers' Facility Services operations. Jim supports Collier's property management operations through the provision of the Colliers 24-Hour Service Centre and a national team of service technicians and management staff, across Colliers managed portfolio. Jim also provides project management services, technical consultation, and strategies for transforming building systems and operations. View Full Profile

Steven Micks, Vice-President, Client Accounting

Steven works alongside the property management teams to ensure service excellence in our accounting and reporting activities across our entire client base. He is an effective accounting professional  with extensive experience in property accounting and operations, corporate accounting and client reporting in the real estate industry. Steven is a proven, strong leader with track record in building and maintaining highly engaged teams that are motivated to provide quality information and superior internal and external customer service. View Full Profile

David Wilson, Managing Director, Vancouver Island

Dave is responsible for the day to day operations of the Real Estate Management Services division for Vancouver Island, including the supervision of all staff. He has overall responsibility for all aspects of property management in a portfolio of commercial properties specializing in retail and office buildings. He is the primary point of contact for communication with his clients. View Full Profile

Susan Williams, Vice President & Managing Director, Vancouver

Susan is responsible for all property management business activities and client relationships across the Vancouver Lower Mainland. Susan maintains an absolute focus on client satisfaction. She will work with the owners to understand the overall strategy of a portfolio and ensure Colliers’ service delivery platform is customized to support a client’s goals and objectives. View Full Profile

Paula Cooper, Director, Calgary

Paula is responsible for the day to day operations and all aspects of the property management team in Calgary. The portfolio consists of office, retail and industrial properties. She is responsible for the providing leadership to the team in their daily functions. Paula is the key point of contact for communication with client in the Calgary portfolio. View Full Profile