Michael L. Fantozzi

Member vCard


  • University of Notre Dame (JD)
  • Boston College (BA)

Bar Admissions

  • Connecticut
  • Massachusetts

Michael is Managing Member of the firm’s Boston office, and also serves on the firm’s Executive Committee. He is also Division Head for the firm's Corporate, Tax, Private Client, and Immigration Sections. Michael is a senior member of both the Securities Practice Group and the Mergers and Acquisitions Practice Group.

He represents public and private companies with an emphasis on financing transactions, mergers and acquisitions, and corporate governance issues. Michael has extensive mergers and acquisitions experience as both purchaser’s and seller’s counsel and he has represented issuers in numerous public offerings.

Representative Matters

Mergers & Acquisitions

  • Brooks Automation’s $127 million purchase of BioStorage Technologies
  • John Hancock Financial Network’s purchase of the assets of Transamerica Financial Advisors
  • Naurex’s sale to Allergan
  • Leerink Swann’s sale of the assets of Leerink Swann Consulting to NCI Healthcare
  • John Hancock Financial Network’s purchase of Symetra Investment Services
  • C&S Wholesale Grocers’ purchase of the assets of Associated Wholesalers 
  • Humedica’s sale to UnitedHealth Group
  • Piramal Healthcare Limited’s $635 million purchase of Decision Resources Group
  • iMDsoft’s $60 million sale to TPG
  • Ion Torrent Systems’ $725 million sale to Life Technologies 
  • Amicas’ $267 million sale to Merge Healthcare 
  • Vertex Pharmaceuticals’ $400 million purchase of ViroChem Pharma
  • iBasis’ $100 million sale to Royal KPN
  • Qiagen’s $1.6 billion purchase of Digene Corporation

Public Offerings

  • Vertex Pharmaceuticals in over $2.5 billion in equity and debt offerings

Michael also serves as counsel to Brooks Automation, Boston Scientific, Vertex Pharmaceuticals, Alphatec, John Hancock Life Insurance Company and Virtus Investment Partners. Private company clients include C&S Wholesale Grocers, Butterfly Networks, LAM Therapeutics, RA Capital, W.E. Aubuchon Co., and Wellington Management, LLC.

Recognitions & Awards

  • Best Lawyers in America: Securities Law (2007 – 2017)
  • Massachusetts Super Lawyers: Securities & Corporate Finance (2004 – 2006, 2008 – 2016)
  • Recommended by The Legal 500 United States for M&A: Middle-Market (2016)