Marco Larocque
CIM®, Senior Client Relationship Manager

About Marco
Marco Larocque, CIM®, is a senior client relationship manager at William Blair Investment Management. He focuses on client servicing across all institutional market segments in Canada. Before joining the firm in 2025, Marco was a senior relationship manager at Desjardins Global Asset Management. He has also held roles at bfinance and State Street Global Advisors. Marco received a BComm from Concordia University in Montreal.
Why We Invest Shapes How We Invest
Culture is more than the ethos that characterizes our organization; it’s the engine that guides our practices. Our people are defined by their shared values and curiosity. Our approach is defined by teamwork; a disciplined, proven methodology; and technology-enhanced collaboration. Our purpose is defined by a focus on our clients and communities. But don’t take our word for it. See what culture means to our colleagues.
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About William Blair
William Blair is a premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 30 offices worldwide.*
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1935Year William Blair was founded
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1,950+Employees worldwide
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145 billion+Client assets
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90+ YearsIndependent and employee-owned
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30+Offices worldwide*
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700+Companies under coverage
As of March 31, 2026
*Includes strategic alliances with Allier Capital, BDA Partners, and Poalim Equity Ltd.