Ken McAtamney
Portfolio Manager
About Ken
Ken McAtamney, partner, is a portfolio manager for William Blair’s International Growth, Global Leaders, and International Leaders strategies. He was previously head of the global equity team, member of the Investment Management leadership team, co-director of research and a mid-large-cap industrials and healthcare analyst. Before joining William Blair in 2005, Ken was a vice president at Goldman Sachs and Co., where he was responsible for institutional equity research coverage for both international and U.S. equity. Before that, Ken was a corporate banking officer with NBD Bank. He received a B.A. from Michigan State University, and an M.B.A. from Indiana University.
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 20 offices worldwide.*
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1935Year William Blair was founded
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1,900+Employees worldwide
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139 billion+Client assets
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90 YearsIndependent and employee-owned
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20+Offices worldwide
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~650Companies under coverage
As of March 31, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.