Initial Public Offering
February 2026
Managing Director, Equity Capital Markets

Zach Dombrowski is a partner and managing director for William Blair based in the firm’s Boston office. He joined the investment banking team in 2021. Prior to William Blair, he worked for BMO Capital Markets.
Initial Public Offering
February 2026
Initial Public Offering
December 2025
Initial Public Offering
September 2025
Follow-On Offering
November 2024
Initial Public Offering
May 2024
Initial Public Offering
June 2023
Block
December 2023
Initial Public Offering
October 2023
Follow-on Offering
May 2022
Initial Public Offering
September 2021
Initial Public Offering
October 2021
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.
More about investment banking at William Blair
By connecting growth-oriented companies with a network of high-quality, long-term investors, we deliver compelling results for issuers of IPOs, public and confidential follow-on offerings, PIPEs, registered direct offerings, convertibles, and private placements.
More about our equity capital markets expertise
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.*
Year William Blair was founded
Employees worldwide
Client assets
Independent and employee-owned
Offices worldwide*
Companies under coverage
As of December 31, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Equity.
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