Photo of Michael D. DuBayPhoto of Michael D. DuBay

Michael D. DuBay

Leader, Private Equity Practice Group


University of Michigan Law School, J.D.
  • cum laude
University of Michigan Ross School of Business, M.B.A.
  • with distinction
University of Notre Dame, B.A.
  • Economics
  • magna cum laude; Phi Beta Kappa

Prior Employment

  • Kirkland & Ellis LLP, 1997-2003

Bar Admissions

Professional Affiliations

American Bar Association

  • Business Law Section
    • Committee on Negotiated Acquisitions
    • Subcommittee on Private Equity M&A

State Bar of Michigan

  • Business Law Section
News & Resources


Mr. DuBay is a partner in Honigman's Corporate Department, leader of the Private Equity Practice Group, and a member of the firm’s Board of Directors. He has nearly 20 years of experience representing the unique needs of traditional private equity and venture capital sponsors, family offices and independent sponsors in their acquisition, financing, investment and disposition activities.

In addition to his representation of private equity and venture capital sponsors, Mr. DuBay also:

  • acts as outside general counsel to privately held companies (including the portfolio companies of his private equity sponsor clients)
  • provides advice and assistance with respect to secured and subordinated financing, corporate governance and other general corporate and commercial matters


  • Handled more than 300 merger, acquisition, recapitalization and investment transactions in a diverse array of industry sectors
  • Representative clients include:
    • BlackEagle Partners, LLC
    • Detroit Venture Partners, LLC
    • Dialog Direct, Inc.
    • Diplomat Pharmacy, Inc.
    • Glencoe Capital Michigan, LLC
    • O2 Investment Partners, LLC
    • Rizvi Traverse Management, LLC
    • Rockbridge Growth Equity, LLC
    • Superior Capital Partners, LLC
    • US LBM Holdings, LLC
  • Represented private equity firm with respect to its acquisition of Florida digital marketing agency
  • Counseled private equity firm with respect to its acquisition and disposition of Midwestern rehabilitation services company
  • Represented national building distribution products company in multiple acquisitions throughout the country
  • Represented independent specialty pharmacy in numerous acquisition, investment and financing transactions
  • Advised Michigan and New York-based fund manager in the formation of numerous private equity funds and special purpose investment vehicles
  • Represented venture capital firm in numerous seed financings
  • Advised private equity firm in acquisition of several waste management and transportation businesses
  • Counseled private equity firm with respect to its acquisition of a Canadian railing manufacturer
  • Represented private equity firm with respect to its acquisition of a California magazine publisher
  • Advised private equity firm in acquisition of specialty adhesives manufacturer and related add-on acquisitions
  • Represented private equity firm with respect to its acquisition of Georgia e-commerce business
  • Counseled private equity firm with respect to its acquisition of Pennsylvania personal emergency response service provider
  • Advised private equity firm with respect to its acquisition of Michigan manufacturer in the refrigeration and automotive industries
  • Represented national business process outsourcing company in its acquisition and investment activities
  • Counseled private equity firm with respect to its acquisition of international automotive supplier
  • Represented national construction and restoration services provider in multiple acquisition and disposition transactions
  • Represented private equity firm with respect to its acquisition of a Texas home security alarm provider


Birmingham Country Club, Birmingham, Michigan

  • Board of Directors

St. Regis Parish, Bloomfield Hills, Michigan

  • Finance Council, 2011-2014

News & Resources


Press Releases

Seminars & Events


  • Chambers USA: America's Leading Lawyers for Business, 2012-2016
    • Recognized as one of America's leading business lawyers in the Corporate/M&A field; Chambers states:
      • 2016 – "Michael DuBay has over two decades of experience in the corporate market and is described by commentators as a 'very bright, practical and reasoned lawyer.' He routinely advises prominent clients on finance and investment deals, as well as a range of complex M&A transactions."
      • 2015 – "Michael DuBay has a fine reputation in the private equity and venture capital arena, and excels in secured and subordinated financing. He is also much sought after for his corporate governance work."
      • 2014 – “leads the firm's private equity practice group, and is recognized in particular for his abilities within the spheres of private equity and venture capital. He is praised as solution-oriented and ‘practical, effective and tough’”
      • 2013 – "'Very strong practitioner' Michael DuBay is noted for handling private equity transactions. Clients highlight his 'good commercial instincts' and 'deep transactional experience.'"
      • 2012 – "Michael DuBay is commended for his transactional work involving private equity and venture capital funds. Clients praise him as a 'very strong negotiator who puts us in a very favorable position in our deals.'"
  • Legal 500 United States 2008 and 2009listed as highly recommended M&A attorney
    • "Clients rated Michael DuBay as ‘one of the best deal attorneys around’, with ‘a deep and broad knowledge of the M&A space’." (2009)
  • The Best Lawyers in America, 2016 and 2017
  • Michigan Super Lawyers, 2008-2016
    • Named a "Top 50" Michigan Business Super Lawyer, 2014-2016
    • Recognized in the Top 100 rankings, 2014-2016
    • Recognized as a Rising Star, 2008-2010
  • DBusiness, Top Lawyers, 2011-2013 and 2016