Brandon Callison
Senior Investment Analyst
About Brandon
Brandon Callison is a senior investment analyst with William Blair’s Consulting Services team. In his role, he conducts traditional and alternative manager research and due diligence for William Blair’s Private Wealth Management group. Brandon works closely with William Blair’s wealth advisors on investment policy, asset allocation, portfolio construction, manager selection, and implementation.
Brandon is a CFA charterholder and Chicago CFA Society member, is a CAIA charterholder, and serves on the Chicago CAIA Chapter Executive Committee and was named a Rising Star of Manager Research by Citywire in 2023. He graduated magna cum laude with a B.S.B.A. in finance and minor in statistics from the Boler College of Business at John Carroll University.
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.