John Duda | Colliers International | Toronto Downtown

John Duda

MBA, B.Eng

President, Real Estate Management Services Canada

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Professional Summary

John Duda is the President of Real Estate Management Services, Canada. John began his career as Director of National Property Services at CIBC, joining Colliers in 2010. Appointed as head of Real Estate Management Services in 2017, John has driven significant growth both organically and strategically through the development of new service lines and markets. In his role as president, John a oversees 14 offices across Canada, working closely with local teams to create value-driven strategies in support of clients’ goals. 


John helped establish the firm’s Asset Advisory Services group and assisted in the expansion of platforms focusing on Class A office, industrial, and retail properties.

John is a mentor to Colliers Proptech Accelerator program and champions technology innovation and platform development, such as launching the Colliers Canada mobile tenant engagement app.  He is an active member of the National Advisory Council of BOMA Canada and has served on the board of Junior Achievement of Central Ontario for the past decade. 

With more than $17 billion of assets under management, representing 60 million square feet, the Canadian Real Estate Management Services team is consistently recognized for its innovative solutions and platform development, winning numerous awards in international property marketing outstanding Building of the Year (TOBYs) and sustainability.


MBA, Queen's University

BASc Industrial Engineering, University of Windsor

Memberships & Involvements

BOMA Canada National Advisory Council member

Junior Achievement of Central Ontario board member

Colliers PropTech Accelerator program mentor


Manulife, Slate Asset Management, Desjardins, ICBC, Credit Suisse, Adgar Investments and Development Ltd., LaSalle Investments, TREZ Capital


Property and Facilities Management
Service Lines
Real Estate Management, Corporate Solutions, Landlord Representation, Tenant Representation
Featured Research
Dec 8, 2020
Industrial Recovery: Inventory, Demand, and Space Needs
In June 2020, Colliers Real Estate Management Services released a series of reports based on tenant surveys exploring office, retail and industrial recovery in the context of regulations, cost increases and adaption. We conducted a follow-up survey in November and our recent findings and analysis have formed a new series of reports.
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Nov 30, 2020
The Impact of Commercial Rent Relief
Since the pandemic started, questions have swirled around rent relief and the efficacy of the Canada Emergency Commercial Rent Assistance (CECRA) program. To gauge the effect of rent relief on the market, Colliers Real Estate Management Services gathered information from more than 6,000 tenants across its national managed portfolio.
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Nov 25, 2020
Office Recovery: Space Needs and Productivity
Office Recovery: Space Needs and Productivity, examines how perceived space needs have shifted, and continue to shift, since the start of the pandemic and how waning productivity in the workplace continues to be a decision-driver for employers.
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Featured News
Nov 25, 2020
Paul Callegari Named Vice President, Portfolio Management, Eastern Region, Real Estate Management Services
Paul is a trusted advisor to REMS’ clients and will continue to provide first class service and programs in his new role that facilitate growth opportunities and strengthen client relationships.
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Oct 2, 2020
Lisa Blacklock Market Lead and SVP Eastern Region and National Accounts, REMS
Colliers announces that Lisa Blacklock has been appointed as Market Lead and Senior Vice President, Eastern Region and National Accounts, Real Estate Management Services.
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Aug 27, 2020
Colliers REMS is a First-Time International TOBY Award Winner
Toronto’s 95 St. Clair Avenue West, a Class A office tower managed by Colliers Real Estate Management Services (REMS), is an International TOBY® (The Outstanding Building of the Year) Award winner.
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Jul 7, 2020
Colliers Canada Welcomes Giselle Gagnon as New National Services Vice President for Real Estate Management Services
Colliers Canada is pleased to announce that Giselle Gagnon will be joining Real Estate Management Services as Vice President of National Services on July 6.
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