David D. Gammell


David D. Gammell


  • Co-Chair, Emerging Company and Venture Capital Practice

David Gammell represents companies—including information technology, cybersecurity, fintech, healthcare IT, medical device, energy, life sciences, materials science and other high technology and entrepreneurial businesses—in complex corporate transactions throughout their lifecycle. As co-chair of WilmerHale's Emerging Company and Venture Capital Practice, he partners with entrepreneurs, investors and startups to help clients navigate the legal issues, team dynamics and business challenges that companies may encounter as they grow.

With more than two decades of experience, Mr. Gammell has a substantial practice advising early stage companies on formation and founders issues, equity structure and incentives and intellectual property strategy. He also represents clients in complex corporate transactions including licensing, technology transfer and strategic alliances, angel and venture capital financings, and mergers and acquisitions. Some of Mr. Gammell's recent venture-backed clients include: Andela, Flywire, Foro Energy, Hyalex Orthopaedics, Mabl, Muse, Oklo and SnapApp.

In addition, Mr. Gammell represents several leading national and international venture capital funds, private equity funds and angel investors in a range of transactions. Recently, he represented Bain Capital Ventures, NEA and Spark Capital in financing transactions.

Mr. Gammell maintains an active practice representing pro bono clients and social entrepreneurs. One of his social entrepreneurship clients is Andela, a startup currently building a network of top tier computer science education programs across Africa.

Prior to beginning his legal career, Mr. Gammell was a nuclear engineer and officer in the United States Navy.

Professional Activities

Mr. Gammell teaches at MIT and Harvard, and is an author and frequent lecturer on issues relating to startups and venture-backed companies. He supports various organizations in the Boston and New York startup communities, regularly serving as a panelist and judge for MIT $100K, MIT Enterprise Forum of Cambridge, MIT Venture Capital Conference,  MIT Venture Capital Investment Competition, and as a mentor for the MIT Venture Mentoring Service. Mr. Gammell was a member of the board of Technology Underwriting the Greater Good from 2010 to 2015.

  • Should Startups Extend the Window to Exercise Options?

    David Gammell, in this article published by Xconomy, discusses key factors for founders to consider when making decisions regarding how and when to grant stock options to employees.

    January 30, 2018
    Read More
  • WilmerHale Launch

    David Gammell represents information technology, clean technology, medical device, energy, life sciences and other high technology and entrepreneurial businesses in complex corporate transactions and advises many throughout their lifecycle. Learn more about Mr. Gammell's practice and how he can support your startup on

    Read More


  • Recent Representations Include:

    • Bain Capital Ventures, NEA and Spark Capital and various other angel and strategic investors in numerous private placement financings;
    • Clients in their sale to ADP, AOL, Dropbox, Google, Informatica, Kinetic Concepts Inc., Medline and Oracle;
    • Crux Informatics, a data engineering and information supply chain operator, in its strategic partnership with Two Sigma;
    • Flywire, an international tuition payment startup, in various venture capital financings and its acquisition of OnPlan Holdings LLC;
    • Foro Energy in forming their company, issuing founder equity, raising their first round of convertible debt financing and several subsequent rounds or venture capital, and negotiating strategic relationships with some of the biggest companies in the world;
    • Hyalex Orthopaedics, a medical device company advancing new products that feature HYALEX™ technology, a synthetic polymer that mimics cartilage, in its Series A financing;
    • Mabl, a machine learning test automation software service, in its Series A and Series B financings;
    • SnapApp, an interactive content marketing platform, in its Series A and B financings;
    • Soft Robotics Inc., a robotics company designing pneumatic grippers and control systems to automate bin picking, order fulfillment and other material handling tasks, in its Series A financing; 
    • The Muse, an online career resource targeting millennials, in its Series B financing;
    • Wellthie, an insurance technology company offering leading broker and carrier shopping tools to simplify insurance distribution for small businesses and individuals in its Series A financing; and
    • WorkMarket, an online platform and marketplace for businesses to manage freelancers, contractors and consultants, in various strategic and venture capital financings, as well as its acquisition by ADP.


Insights & News


  • Education

    • JD, Boston College Law School, 1997

    • BS, Engineering, University of Nebraska, 1989

  • Admissions

    • Massachusetts

    • New York

    • United States Patent and Trademark Office