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The Marshall Team

William Blair Private Wealth Management

Chicago skyline
  • Brian Marshall

    Brian Marshall

    Partner, Wealth Advisor

    +1 312 364 8109
    View profile
  • Jon Sackett

    Jon Sackett

    Wealth Advisor Associate

    +1 312 364 8433
    View profile
  • mattwilson

    Matthew J. Wilson

    Sales Associate

    +1 312 364 5157
    View profile
  • James Hammack

    James Hammack

    Client Relationship Associate

    +1 312 364 8773
    View profile

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.*

  • 1935

    Year William Blair was founded

  • 2,100+

    Employees worldwide

  • 156 billion+

    Client assets

  • 90+ Years

    Independent and employee-owned

  • 30+

    Offices worldwide*

  • 700+

    Companies under coverage

As of June 30, 2026
*Includes strategic alliances with Allier Capital, BDA Partners, and Poalim Equity Ltd.

More about William Blair affiliated entities

Thought Leadership

  • Friday, August 14, 2026

    Best Financial Practices for College Students

    Learn the basics of managing your finances so you are set up to succeed after graduation.

    Read more
  • Thursday, August 6, 2026

    Financial Tips for Making a Major Purchase

    Address these financial considerations when purchasing a new vehicle or home.

    Read more
  • Monday, July 6, 2026

    Quick Reference Guide to Retirement Plans

    Understanding the nuances between retirement plans can be challenging. William Blair’s Quick Reference Guide to Retirement Plans compares and contrasts features such as account establishment, account contributions, and accessibility.

    Read more
See more thought leadership

Our Latest News

  • Tuesday, August 18, 2026

    Enliven Therapeutics, Inc.: Initiation of Research Coverage

    William Blair initiated research coverage of Enliven Therapeutics, Inc. (ELVN $58.82), a late-stage biotech focused on developing ELVN-001, a potent and selective tyrosine kinase inhibitor (TKI), for the treatment of chronic myeloid leukemia (CML).

    Read more
  • Monday, August 10, 2026

    Monaco Enterprises Has Been Acquired by Perimeter Solutions

    William Blair acted as the exclusive financial advisor to Monaco Enterprises, Inc., a portfolio company of Dauntless Capital Partners and Lometa Capital Partners, in connection with its sale to Perimeter Solutions, Inc. (NYSE: PRM).

    Read more
  • Thursday, August 6, 2026

    NavVis Raises Series D Round Led by The Jordan Company

    William Blair acted as the sole and exclusive financial advisor to NavVis as it secures a $85M investment round, led by U.S. private equity firm The Jordan Company, as well as existing shareholders Yttrium (together with a consortium of industrial Family Offices), KOZO KEIKAKU ENGINEERING Inc., and Cipio Partners.

    Read more
See more news

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This content is for informational and educational purposes only and not intended as investment advice or a recommendation to buy or sell any security. Investment advice and recommendations can be provided only after careful consideration of an investor's objectives, guidelines, and restrictions.

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