Thomas Thibeault
Senior Investment Consultant
About Thomas
Thomas Thibeault is an investment consultant with William Blair Custom HNW, where he is responsible for cultivating relationships with independent advisors. Thomas takes a collaborative approach with advisors and end-clients to develop customized portfolios that offer thoughtful tax-efficient investing across equities, fixed income, and alternatives. Before William Blair, Thomas was in UBS Wealth Management’s Graduate Training Program, where he worked in various capacities including equity sales, wealth planning, and investment management. Thomas attended Bucknell University and received his M.B.A. from Loyola Quinlan School of Business in Chicago. Thomas is a fitness enthusiast and coaches high school lacrosse in Chicago’s northern suburbs.
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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154 billion+Client assets
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90+ YearsIndependent and employee-owned
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30+Offices worldwide*
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650+Companies under coverage
As of December 31, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Equity.