David D. Gammell


Co-Chair, Emerging Company and Venture Capital Practice

Gammell, David

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.

Representative Experience

  • 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;
  • 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 financing;
  • 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.

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.

Honors & Awards

Publications & News


May 8, 2018

WilmerHale Counsels Soft Robotics in Closing of $20M Fundraising Round

Soft Robotics Inc., a Cambridge, Massachusetts-based company that designs and manufactures robotic grippers capable of manipulating a wide variety of items without the help of computer vision, has announced the closing of a $20M fundraising round.

March 14, 2018

WilmerHale Counsels Commonwealth Fusion Systems in Collaboration with MIT

Commonwealth Fusion Systems, a private company dedicated to commercializing fusion energy, will join the MIT Energy Initiative as part of a new university-industry partnership.

February 22, 2018

WilmerHale Advises Mabl in $10M Series A Funding

Mabl, the only-ML-driven test service that automatically maintains tests and identifies regressions for you, secured $10 million in a Series A round from CRV and Amplify Partners.

January 30, 2018

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 25, 2018

WilmerHale Reps WorkMarket in Acquisition by ADP

On January 22, 2018, ADP® announced the acquisition of WorkMarket, a leading cloud-based workforce management solution provider that allows companies to build and manage an integrated workforce across W-2 employees, 1099 contractors, vendors and other types of workers.

January 23, 2018

Flywire Expands Global Payments Platform with the Addition of OnPlanU and OnPlan Health

On January 18, 2018, WilmerHale client Flywire, a provider of global payment and receivables solutions for education, healthcare and business, announced the acquisition of OnPlan Holdings LLC, the parent company of OnPlanU and OnPlan Health.

October 10, 2017

WilmerHale Reps Andela in $40M Series C Funding

As announced in today's New York Times article, “Start-up Bets on Tech Talent Pipeline from Africa,” Andela Inc.—a New York-based startup that identifies the most talented individuals in Africa, shapes them into world-class developers, and pairs them with the world's leading tech companies—has announced a $40 million Series C funding round led by CRE Venture Capital.

August 23, 2017

WilmerHale Reps SnapApp in Raising $10.2M Series B Funding Round

SnapApp, provider of the leading SaaS platform used by B2B marketers to create, publish, and measure interactive content, announced that it has closed $10.2 million in additional funding from its principal investor, Providence Strategic Growth.

August 16, 2017

WilmerHale Lawyers Named Among the 2018 Best Lawyers in America®, Nine Recognized as Lawyers of the Year

Best Lawyers in America®—the oldest and most respected peer-review publication in the legal industry—recognizes 107 WilmerHale lawyers and names nine partners as Lawyers of the Year in its 24th edition.

June 13, 2017

Hyalex Orthopaedics Raises $16 Million Series A Financing

WilmerHale client Hyalex Orthopaedics, a medical device company advancing new products that feature HYALEX™ technology, a synthetic polymer that mimics cartilage, announced that it has raised $16 million in Series A financing.


Skip Navigation Links.


JD, Boston College Law School, 1997

BS, Engineering, University of Nebraska, 1989

Bar Admissions


New York

United States Patent and Trademark Office

Skip Navigation Links.