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Quinn Kolberg

Quinn Kolberg

Managing Director, Private Capital Advisory

New York skyline

About Quinn

Quinn Kolberg is a partner and managing director for William Blair based in the firm’s New York office. He joined the investment banking team in 2022. Prior to William Blair, he worked for M2O Private Fund Advisors.

Community Involvement

SCORE NYC

Awards and Affiliations

Private Equity International - Class of 2021: Next Gen Leaders of Secondaries

Notable Transactions

  • $261,000,000

    Single-Asset Continuation Fund for

    September 2026

    USA
    USA
    Supply Chain & Commercial Services

    William Blair acted as the exclusive financial advisor to Certares and Guardian Alarm in connection with Certares’ raising of a single-asset continuation fund to acquire Guardian, a leading provider of security, fire, access control, and automation solutions.

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  • $850,000,000

    Single-Asset Continuation Fund for

    February 2026

    USA
    USA
    Supply Chain & Commercial Services
  • $340,000,000

    $240M Continuation Fund and
    $100M Fund Financing Facility

    March 2026

    USA

    William Blair acted as exclusive financial advisor to Broadtree Partners, LLC in connection with its successful closing of a multi-asset continuation fund with approximately $240 million of total commitments.

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  • Not Disclosed

    Single-Asset Continuation Fund for

    December 2025

    USA
    USA
    Supply Chain & Commercial Services

    William Blair acted as the exclusive financial advisor to Boyne Capital Partners in connection with the raising of its single-asset continuation fund to acquire Pilot Energy from BCM Fund I, LP and other shareholders.

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  • Not Disclosed

    Single-Asset Continuation Fund for

    December 2024

    USA
    USA
    Industrial Growth Products
  • Not Disclosed

    Single-Asset Continuation Fund

    Sell-Side Advisor

    September 2024

    USA
    USA
    Supply Chain & Commercial Services
  • $2,100,000,000

    Multi-Asset Continuation Fund for Five Assets Held Across Multiple Funds

    September 2024

    USA
  • Not Disclosed

    Single-Asset Continuation Fund

    June 2024

    USA
    Consumer Products & Services
  • Not Disclosed

    LP Stake Sale with a Stapled
    Fund Commitment

    December 2023

    USA
  • Not Disclosed

    Single-Asset Continuation
    Fund for

    December 2023

    USA
    USA
    Aerospace Defense & Government Services
  • Not Disclosed

    Single-Asset Continuation Fund for

    August 2023

    USA
    USA
    Healthcare Services
  • Not Disclosed

    has made a minority equity
    investment in existing
    portfolio company

    March 2023

    USA
    USA
    Healthcare Services

    • Rigorous pursuit of your success. Every transaction. Every time.

    Our investment bankers are 100 percent committed to your organization’s sustained success. By drawing on our deep industry and product experience as well as our dedicated global resources, we provide advisory and financing services that allow you to capitalize on today’s opportunities and anticipate tomorrow’s challenges.

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    Private Capital Advisory

    William Blair has extensive experience providing private equity firms with leading advice and execution across M&A, capital raising, and other strategic transactions. Our team of experts provides financial sponsors and their investors with holistic, bespoke solutions across all stages of the private equity lifecycle. Our Private Capital Advisory team works closely with our industry bankers, M&A Advisory group, and capital markets professionals to provide thoughtful insights and creative solutions designed to optimize client outcomes.

    More about private capital advisory at William Blair
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    Financial Sponsors

    William Blair's Financial Sponsors Group is focused on developing and institutionalizing relationships with leading private equity firms around the world. Many of these relationships have been developed for over two decades providing us with senior-level access and credibility with the key decision-makers at each private equity firm. With over 295 successful sales to financial sponsors since 2015, we have proprietary insights into each financial sponsor's unique investment criteria, approach, and behavior. Our team's highly-relevant experience with and relevance to the private equity community uniquely positions William Blair to deliver exceptional results for our M&A sell-side clients.

    More about our financial sponsors expertise
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    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

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