John Linger
Wealth Advisor
About John
John Linger is a wealth advisor with the Glass Linger Wealth Management Team, where he supports the team’s multigenerational client relationships through wealth planning, portfolio management, and relationship management.
Throughout his career, John has worked closely with business owners, entrepreneurs, and senior executives as they navigated growth, operational challenges, and complex strategic decisions. These experiences shape his approach to helping clients address the financial opportunities and decisions that accompany successful careers, business ownership, and multigenerational wealth.
Before joining William Blair, John spent more than a decade advising and operating in dynamic, founder-led businesses. Most recently, he served as chief of staff of a technology-enabled global logistics company, partnering with executive leadership on strategic planning, financial performance, organizational development, and strategic expansion efforts. Earlier in his career, he held roles in management consulting.
John earned a Bachelor of Arts in finance and lives in Chicago’s Lincoln Park neighborhood with his wife.
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.