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Mike Siska

Michael Siska

Managing Director, Consumer Products & Services

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About Mike

Mike Siska is a managing director for William Blair based in the firm’s Chicago office. He originally joined William Blair’s investment banking team in 2002. Before joining William Blair, he worked for Allstate Private Equity, 3i Group, and Andersen Corporate Finance LLC.

Board Membership

A Better Chicago – Leadership Council

Notable Transactions

  • Not Disclosed

    has made a majority investment in

    January 2025

    USA
    USA
    Financial Services

    William Blair acted as the exclusive financial advisor to GRAM’s Americas Buyout Fund, the private equity division of GRAM, in connection with its majority investment in UniVista Insurance, a leading distributor of insurance products and services to Hispanic communities in Florida and Texas.

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  • Not Disclosed

    a portfolio company of Gemspring Capital

    has been acquired by

    March 2024

    USA
    USA
    Financial Services
  • Not Disclosed

    a portfolio company of
    Waterland Private Equity

    has been acquired by

    November 2024

    Denmark
    USA
    Consumer Products & Services
  • Not Disclosed

    a portfolio company of
    Falfurrias Capital Partners

    has been acquired by

    November 2024

    USA
    USA
    Consumer Products & Services
  • Not Disclosed

    has acquired

    October 2024

    USA
    USA
    Consumer Products & Services
  • Not Disclosed

    has been acquired by

    November 2023

    USA
    France
    Consumer Products & Services

    William Blair acted as the exclusive financial advisor to Tastes on the Fly, a portfolio company of H.I.G. Capital, in connection with its sale to Lagardère Travel Retail.

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  • Not Disclosed

    has made a
    significant investment in

    a portfolio company of Cortec Group

    March 2023

    USA
    USA
    Consumer Products & Services
  • Not Disclosed

    has been acquired by

    March 2023

    USA
    USA
    Consumer Products & Services

    William Blair acted as the exclusive financial advisor to TileBar, a founder-led business co-owned by the founder and LongueVue Capital, in connection with its sale to AEA Investors LP.

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  • Not Disclosed

    a portfolio company of MSouth Equity Partners

    has been acquired by

    a portfolio company of Z Capital Group

    February 2023

    USA
    USA
    Consumer Products & Services
  • Not Disclosed

    has been acquired by

    November 2022

    USA
    USA
    Consumer Products & Services
  • Not Disclosed

    has been acquired by

    November 2021

    USA
    USA
    Consumer Products & Services
  • Not Disclosed

    has been acquired by

    November 2021

    USA
    USA
    Consumer Products & Services

    William Blair acted as the exclusive financial advisor to Home Brands Group Inc., the parent holding company of Re-Bath, a portfolio company of Webster Equity Partners and Sorenson Capital, in connection with its sale to TZP Group LLC.

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    • 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.

    More about investment banking at William Blair
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    Consumer Products & Services

    Amid rapidly evolving consumer preferences and the proliferation of new brands and channels, our experience and relationships throughout the consumer and retail industry have allowed us to deliver outstanding outcomes for our clients. Corporate boards, management teams, and business owners turn to us for execution excellence, sector expertise, deep relationships with strategic, financial, and family buyers, and creative public and private capital market solutions.

    More about our consumer products & services 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 20 offices worldwide.*

    • 1935

      Year William Blair was founded

    • 1,900+

      Employees worldwide

    • 139 billion+

      Client assets

    • 90 Years

      Independent and employee-owned

    • 20+

      Offices worldwide

    • ~650

      Companies under coverage

    As of March 31, 2025
    *Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.

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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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