“She has a great reputation for having a really pleasant style, she knows all the issues, she really keeps a deal calm, and clients like her on a personal level.”Chambers USA 2020

Susan L. Mazur

  • 200 Clarendon Street
  • Boston, MA 02116
  • USA

Susan Mazur represents technology and life sciences companies, advising these companies and entrepreneurs in the areas of:

  • Formation and governance issues
  • Early and late-stage venture capital financings

  • Equity and compensation

  • Public offerings

  • Mergers and acquisitions

Ms. Mazur has been recognized: 

  • As a Massachusetts leader in Private Equity: Venture Capital Investment by Chambers USA 2007-2020, where clients remarked that “she is a fantastic writer,” has “an amazing grasp of all the different issues that can arise,” and that she is always “spot-on in her advice”

  • As a Massachusetts leader in Technology by Chambers USA 2014-2020, where market commentators note that she is “as good as anyone, anywhere.”

  • As a Massachusetts leader in Corporate/M&A by Chambers USA 2018-2020, where sources say she is “very smart, practical, pragmatic, and friendly.”

  • As a Nationwide leader in Startups & Emerging Companies by Chambers USA 2017-2020

  • For Venture Capital and Emerging Companies by The Legal 500 US 2020

  • As a leading corporate and venture capital lawyer by Best Lawyers, and named a 2015, 2016 and 2019 Boston Venture Capital Law Lawyer of the Year by Best Lawyers

Ms. Mazur’s clients include Actifio, Care.com, GoEuro, LogMeIn, Organica, Veracode, and Wayfair. Other clients have included A123 Systems, Adnexus Therapeutics, EqualLogic, Vlingo, and Zipcar.

Ms. Mazur's experience includes advising:

  • LogMeIn in its merger with the GoTo family of service offerings subsidiary of Citrix 
  • Novomer in the sale of its polynols division to Saudi Aramco
  • Zipcar in its initial public offering
  • Vlingo in its sale to Nuance Communications
  • Care.com in its initial public offering and acquisitions of Citrus Lane, Breedlove, and Betreut
  • Wayfair in its initial public offering and acquisition of DwellStudio
  • SpaceClaim in its sale to ANSYS
  • Teradyne in its acquisition of LitePoint Corporation
  • The Endurance International Group in its acquisition of Dotster, Inc., an internet domain registry
  • Acitifio in multiple preferred stock financings
  • GoEuro in multiple preferred stock financings
  • Nasuni in multiple preferred stock financings
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