Daniel Isaacs is an associate in Goodwin’s Business Law Department. His practice focuses on advising emerging companies and investors throughout the corporate life cycle, including pre-incorporation planning and formation, venture capital and growth equity financings, mergers and acquisitions, and general corporate representation and counseling. Mr. Isaacs represents clients in a variety of technology and life sciences industries, including new media, software, hardware, e-commerce, FinTech, clean tech, cybersecurity, biotech, medical devices and diagnostics, and pharmaceuticals.




A selection of Mr. Isaacs’s recent client representations includes:

  • A cutting-edge build-to-buy transaction for Quartet Medicine with Merck.
  • Ampersand Capital Partners and 1315 Capital in their acquisition of Genoptix, a provider of comprehensive testing solutions in hematology and solid tumor molecular profiling, from Novartis Pharmaceuticals Corporation.
  • The sale of Agilux Laboratories, an Ampersand Capital Partners portfolio company, to Charles River Laboratories International.
  • Mautic in its $5 million Series A financing.
  • Imagen Technologies in its $15 million Series A financing
  • BitSight Technologies in its $40 million Series C financing.
  • Fuze in its $134 million Series F financing and its $112 million Series E financing
Professional Activities

Mr. Isaacs is a member of the Boston Bar Association.

Professional Experience

Prior to joining Goodwin, Mr. Isaacs was an associate in the New York office of Sullivan & Cromwell and served as a law clerk to the Honorable Pierre N. Leval of the U.S. Court of Appeals for the Second Circuit and the Honorable Robert H. Cleland of the U.S. District Court for the Eastern District of Michigan.

During law school, Mr. Isaacs served as a judicial intern to the Honorable Jack B. Jacobs on the Delaware Supreme Court.


While attending law school, Mr. Isaacs was a senior editor for the Yale Law Journal and an editor-in-chief for the Yale Journal of Health Policy, Law and Ethics.

Additionally, while at Yale Law School, Mr. Isaacs was awarded the William K.S. Wang Prize for superior performance in corporate law.

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J.D., 2012
Yale Law School
B.A., 2009
University of Pennsylvania


2013 to 2014 U.S. Court of Appeals for the Second Circuit, Honorable Pierre N. Leval
2014 to 2015 U.S. District Court for the Eastern District of Michigan, Honorable Robert H. Cleland



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