At CFO (Boardroom Media) we track over 1,000,000 startups and over 5,000,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top Ontario based CFO’ operating in the Payments space. If you think a CFO’ is missing from this list, feel free to contact our editor on [email protected]
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Winnie Leung
Chief Financial Officer of Moneris
Winnie Leung is the Chief Financial Officer for Moneris. Winnie is responsible for the overall financial strategy, management and reporting and Treasury operations of the company and her responsibilities include making investment and borrowing decisions on behalf of the corporation, providing financial analysis in support of various business goals, and assessing the financial impact of acquisition targets. Winnie joined Moneris in 2011 and has 20 years of senior finance management experience. Prior to Moneris, Winnie was an Audit Partner at KPMG LLP, servicing clients in the technology and communications sector. Winnie worked closely with both public and early-stage companies to help build and manage their businesses. Winnie founded the Inclusive Workplace Council at Moneris, and remains the executive sponsor.
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About Moneris: Moneris is Canada’s largest financial technology company that specializes in payment processing.

Karen Weaver
Chief Financial Officer of D+H
Karen Weaver is Chief Financial Officer at D+H, a leading financial technology provider trusted by nearly 8,000 financial institutions, governments and corporations across the globe. Karen is accountable for all financial matters across D+H and plays a pivotal role in further driving shareholder value and advancing the company’s strategy. She is also responsible for leading Investor Relations and manages Legal and Procurement across the globe. Karen has more than 30 years of financial management experience with large and mid-sized organizations in Canada and the United States. Prior to joining D+H, Karen spent more than 10 years at First Capital Reality as Executive Vice President and Chief Financial Officer. Prior to that, she held several senior management roles, including Chief Financial Officer at Brookfield Properties – Canada, Chief Financial Officer and Chief Accounting Officer at Gentra Inc., and progressive management roles with KPMG in Oakland, New York and Seattle. Karen is a Certified Accountant and is licensed by the Washington State Board of Accountancy in the United States. She graduated Magnum Cum Laude with a Bachelor in Business Administration from the Old Dominion University in Norfolk, Virginia, has completed the Directors Education Program at the University of Toronto’s Rotman School of Management, and is a certified director. Karen is also currently a member of the Board of Directors for MCAN Corporation and a member of the Board of Trustees of the Ontario Science Centre.
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About D+H: D+H is committed to being the technology partner that financial services organizations trust and rely on to build deeper and more
Abdullah Saab
CFO and Co-Founder of Paystone
Abdullah Saab is the CFO and Co-Founder at Paystone
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About Paystone: Paystone is a provider of customer engagement services and electronic payment processing solutions for businesses of all sizes.
Ken MacAskill
CFO of Fusebill
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About Fusebill: Fusebill is a company that provides automated invoicing, billing and collections for subscription-based companies.
Ken MacAskill
CFO of Fusebill
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About Fusebill: Fusebill is a company that provides automated invoicing, billing and collections for subscription-based companies.