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About Sammy

Sammy Cooper is a client relationship associate with the Grant Private Client Group, providing comprehensive operational and client service support to help the team deliver exceptional service. Sammy joined William Blair in 2025 after graduating from the University of Notre Dame, where he earned both his B.B.A. in finance and M.S. in business analytics. During his time at Notre Dame, he was also a proud member of the Fighting Irish baseball team.

Originally from Lee’s Summit, Missouri, Sammy stays active through fitness and golf and enjoys experimenting in the kitchen. When he’s not working or staying active, he is cheering on his favorite teams—the Kansas City Chiefs and Royals.

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.*

  • 1935

    Year William Blair was founded

  • 2,000+

    Employees worldwide

  • 145 billion+

    Client assets

  • 90 Years

    Independent and employee-owned

  • 20+

    Offices worldwide

  • 650+

    Companies under coverage

As of June 30, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.

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